OpenTechnical

OT-2026-000020614

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000020614) never changes.

Identity and time

Publication numberOT-2026-000020614 · never reused
Internal UUID01a0ae6f-65e1-7152-93e7-dbed282e2289 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020614
StatusPUBLIC

Content hashes

Canonical text0391c2377b94ec0db9d2b3e16104048a44ed9a69373285898f03a6980df80355
Markdown386cff849d3ccdb8b156af10661e965cea34d69e9095868258319d5c99e28f53
PDF
Publication page8283a956fc12f8d6cd0739c1042c83cbfdec19811ed0e9a782a4d0baa334dfef
Manifestf21ac1315811cecc812a14d3ef86a2f2baa4ceaf29baeec02b46c5b6af05c8f9

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
SignatureiwNu22GgUnoA4nWNAdpqgIb75KuS+UV3rV7+ZkQM4/lue1EtfV6xdSw3MNEAnZqqcVlZSm8L4NmrMY1rTw+WBg==
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

2026-09-17T11:55:33.543562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020614
observed 8283a956fc12f8d6cd0739c1042c83cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.523528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020614/manifest.json
observed f21ac1315811cecc812a14d3ef86a2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.507688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020614/publication.md
observed 386cff849d3ccdb8b156af10661e965c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.491285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020614/publication.txt
observed 0391c2377b94ec0db9d2b3e16104048a...
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.