OpenTechnical

OT-2026-000051429

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000051429) never changes.

Identity and time

Publication numberOT-2026-000051429 · never reused
Internal UUID01a0ae83-7c7f-7a56-a463-21e5903adb0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051429
StatusPUBLIC

Content hashes

Canonical textfe3e96059ba1a88e59390a452e080fd6856577ca587f2ecec818383ec80b51fe
Markdown703872f70893060d7a824a6a6f34a014779cfd99a32b7abbf1def80a90951581
PDF
Publication pagea7fb72d6ffe444ae4a9d389207b80dad881f4e18a8bc834ef126c847c6054ab9
Manifest74a1e7d20983b1c18d2848181b00efc77760c02200634fc229325b04f8dc930c

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
SignatureXTOuXG1F0ErNsYgtTh3ZC3Z5dx/ZD6iWbP1PcnV7hSrE4DrEhlfxLTNd04EBTikytZTb3ghnsVJYTbUnVUZHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:08.931406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051429
observed a7fb72d6ffe444ae4a9d389207b80dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.912734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051429/manifest.json
observed 74a1e7d20983b1c18d2848181b00efc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.895196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051429/publication.md
observed 703872f70893060d7a824a6a6f34a014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.875486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051429/publication.txt
observed fe3e96059ba1a88e59390a452e080fd6...
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.