OpenTechnical

OT-2026-000075320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075320) never changes.

Identity and time

Publication numberOT-2026-000075320 · never reused
Internal UUID01a0ae93-f200-76e1-a315-34e0b5694fd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075320
StatusPUBLIC

Content hashes

Canonical text355a4ced924b5d682a32f44baedf3160b4865ce6490a091b956ae863e1e8bfe3
Markdown13aaed0f7fa05a97662ff701c88bb7701be0cfe568312cd9919304de49bebfee
PDF
Publication page96ae9b7a83f440a8f6c0ae54331bc0e049bb6be6072ce9ac957340c54faf96f3
Manifest59ccbf59e0eea115b29155a0b88090d8c9ad9143af069df711c95988a0f6c591

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2y0+B5k+jxj3y9vB4qcOkEMy2HUxqGO17Lpd/EXeEUzB4zI265c4NgGbuJ7uJFvWD6GlxOZuxkkl2E1VOPiJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:09.538930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075320
observed 96ae9b7a83f440a8f6c0ae54331bc0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.520139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075320/manifest.json
observed 59ccbf59e0eea115b29155a0b88090d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.503108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075320/publication.md
observed 13aaed0f7fa05a97662ff701c88bb770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.486822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075320/publication.txt
observed 355a4ced924b5d682a32f44baedf3160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.