OpenTechnical

OT-2026-000009480

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000009480) never changes.

Identity and time

Publication numberOT-2026-000009480 · never reused
Internal UUID01a0ae6b-7562-7e02-b10e-057ca454855e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009480
StatusPUBLIC

Content hashes

Canonical textecdaad90a7cbab9cb89550556692707733cd712b88feb2d81e87712ae269c5f2
Markdowndb7d7167a6ab7871873a562e4767e91aed1fdf3596a90c4016359b0d90cb67aa
PDF
Publication page2bad7ebd24801381b982e0054700d627300da376817dbfdd6e9ed72a145840b2
Manifest9f6fc827c79da7dbd9d0380a1d96191c699f2081328b8be955feae1f5a8eb57b

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
SignatureSd7iRBlHROJfaD1+LIOGo42VBUfVmFG7mIf3FNmkcQ41BF+dMJr5o/6JOnaTdspyM7Nn/69YkMG9M9S6ECplBw==
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

2026-09-17T12:16:52.618613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009480
observed 2bad7ebd24801381b982e0054700d627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.598103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009480/manifest.json
observed 9f6fc827c79da7dbd9d0380a1d96191c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.579008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009480/publication.md
observed db7d7167a6ab7871873a562e4767e91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.559236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009480/publication.txt
observed ecdaad90a7cbab9cb895505566927077...
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.