Back to How it works

Transfer Execution — Object-Level Detail

Object: patient001_study002_series05_img010.dcm
tg_id: 26e0e72027abd4501c4bf5ced83dbb85b1e6b4fc70495b662922fd839b12c391
Source: gcp://tg-7c4f1e-gcp1-aws1-source/patient001_study002_series05_img010.dcm  →  Destination: aws://tg-7c4f1e-gcp1-aws1-dest/patient001_study002_series05_img010.dcm

Execution Timeline

1Encryption at SourceGCP · us-east5 · source → staging
Object detected at source — transfer started01:39:37.720
KMS encrypt — DEK wrapped01:39:51.151
Source hash computed (streaming)01:39:51.181
Encryption metadata sidecar written01:39:51.267
Object encrypted — staging write confirmed01:39:51.480
Source object deleted from source bucket01:39:51.572
Operation success01:39:51.605
2Cross-Cloud Transferstaging → landing · object encrypted throughout
Cross-cloud transfer initiated01:47:01.935
Transfer metadata read01:47:01.985
Transfer metadata written01:47:02.138
Landing write confirmed01:47:33.225
Object deleted from staging bucket01:47:33.345
Operation success01:47:33.374
3Decryption at Destination & AttestationAWS · us-east-2 · landing → destination → sign
Decryption started at destination01:47:39.203
Encryption metadata sidecar read01:47:39.322
KMS decrypt — DEK unwrapped01:48:18.785
Destination hash computed inline during decryption01:48:18.912
Hash match verified — integrity anchor01:48:19.228
Destination write confirmed01:48:19.363
Object deleted from landing bucket01:48:19.539
Operation success01:48:19.658
Attestation signed — record sealed01:48:19.782
Every event above was written to an immutable, Merkle-proven ledger at the moment it occurred. The complete signed record — all 21 evidence rows with their proofs — is the attestation for this object.

Summary

Object size
256.0 MB (268,444,629 bytes)
Start time
Jun 23, 2026 · 01:39:37
End time
Jun 23, 2026 · 01:48:19
Status
● Completed — Attested
Route
GCP (us-east5) → AWS (us-east-2)
Integrity verification
✓ hash_match = true
Content hash
SHA-256: 7756cef737283c3232dfd80639d60a…
Encryption
AES-256-GCMFIPS 140-2 Level 2
Customer DEK (GCP KMS)
projects/meridian-ai-prod/locations/us-east5/keyRings/phi-ingest/cryptoKeys/dek-prod/cryptoKeyVersions/1

Quick evidence summary

Events recorded21
Integrity statusVerified
EncryptionAES-256-GCM · FIPS L2
AttestationSigned & sealed