OpenTechnical

OT-2026-000030334

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000030334) never changes.

Identity and time

Publication numberOT-2026-000030334 · never reused
Internal UUID01a0ae73-e501-74b5-a07f-7976996e54b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030334
StatusPUBLIC

Content hashes

Canonical text28a26b595b581e52bee22c38363a03a11d0a0032dd7a5ddb06b587d2455e90b7
Markdown00a2f47b83c5a2cd7cee97cc64974f0645ea014b9a030c0f160a3041192e27de
PDF
Publication page4d527c77ce91ce63d84dec1876d155e3079f92eb45620db7e936472797539cfe
Manifest9cd1de40638bbbf14555b12251d03b95e610b6c849a860ff575b80bcbe516208

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
SignatureI5HmEccMP6l3UzZWj0CYYzCHKS6/k8x5e4LqR8oFNLeAayNmFSl1SyxEG0AOKtZHjYbtTn/YITthg23qTGUdAQ==
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

2026-09-17T11:38:02.730296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030334
observed 4d527c77ce91ce63d84dec1876d155e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.712598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030334/manifest.json
observed 9cd1de40638bbbf14555b12251d03b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.692691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030334/publication.md
observed 00a2f47b83c5a2cd7cee97cc64974f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.675657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030334/publication.txt
observed 28a26b595b581e52bee22c38363a03a1...
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.