OpenTechnical

OT-2026-000007978

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000007978) never changes.

Identity and time

Publication numberOT-2026-000007978 · never reused
Internal UUID01a0ae6a-908b-7b25-af35-ca35cf0d6501 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007978
StatusPUBLIC

Content hashes

Canonical textd5ce9c74204b7d0cff71a3e28834e2a2c32c8a1e53241efd31711693fdaa8686
Markdownb45f604ac0b7a3338dafa190ada5c2dfb4c884bea7feae57208906da70a8f692
PDF
Publication pagee952b9dd1dfce887addadb34ab23202927957d6fc66785f2f4c48bfef762b4d8
Manifested24849e65b54d5daee2203a039389c7f8571a23c4d7d8f8688868cdf7d5330b

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
SignatureBG22k7YeARtGwEayizyn1h0i8tcIs7BFg7j68Ylu6s5JBYcbvt4hrM5oOgimuuYY7Jwqf9VP7bpYGaIE09n6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.252439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978
observed e952b9dd1dfce887addadb34ab232029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.231508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/manifest.json
observed ed24849e65b54d5daee2203a039389c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.210544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/publication.md
observed b45f604ac0b7a3338dafa190ada5c2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.188462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/publication.txt
observed d5ce9c74204b7d0cff71a3e28834e2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.276800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978
observed e952b9dd1dfce887addadb34ab232029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.254253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/manifest.json
observed ed24849e65b54d5daee2203a039389c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.233606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/publication.md
observed b45f604ac0b7a3338dafa190ada5c2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.213812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007978/publication.txt
observed d5ce9c74204b7d0cff71a3e28834e2a2...
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.