OpenTechnical

OT-2026-000076978

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000076978) never changes.

Identity and time

Publication numberOT-2026-000076978 · never reused
Internal UUID01a0ae94-b071-7ff3-868c-321a1b83c17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076978
StatusPUBLIC

Content hashes

Canonical text118ba76c8ee573d0246caeb1cde970f1ae41a168b0e08bc61403d44759dba4d6
Markdown8e65e136e9f7b6f6d56b3466644ff86de255514f58e76cf36606a3c30b358e3f
PDF
Publication page011428622c5438cdad4a01a374d37f3f281d765ed6efd8ebe5a26dec2957a324
Manifestda41d5af6fa76c956a37c8d6a078bca29e6bb5db468cc540e962fc927055cb1f

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
Signaturesh+Wg58Vq2ZHAJ9Sh5o5qdQMZXKkJhHJTidk82oEuDoLgEA0CAMbBvitHl5hr/Zo99uzKTHVZrf2yeW29aySBg==
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

2026-09-17T10:10:15.942867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076978
observed 011428622c5438cdad4a01a374d37f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:15.299221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076978/manifest.json
observed da41d5af6fa76c956a37c8d6a078bca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:15.279700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076978/publication.md
observed 8e65e136e9f7b6f6d56b3466644ff86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:15.256590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076978/publication.txt
observed 118ba76c8ee573d0246caeb1cde970f1...
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.