OpenTechnical

OT-2026-000015942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000015942) never changes.

Identity and time

Publication numberOT-2026-000015942 · never reused
Internal UUID01a0ae6e-0c4d-7922-8a56-72506ea9a61e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015942
StatusPUBLIC

Content hashes

Canonical text77a8c51a60347fa7267807316c2443d901dba061799f2a3cdfb9b228a8187698
Markdown2c0685c5aebcf11aadd8755acfabafc0e55b1ba310b03baa2ba7b5e00885a591
PDF
Publication paged67f35ec71e7366547014c20f0c3dc8ff3c180be21ad7bf101783b6453fe9eef
Manifestb8b5a846717e76bbb2941f3a947fe543715fea39fc3364f5973ec0a843a2b05c

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
SignaturePhsrHXqzj7USmombLy+axhYg9a2R/K1aNu2T4GgusmcA1J2KLQc2G5eQyzDu+T1MpByhPntPz8qtZrxSQgr2Dg==
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

2026-09-17T12:05:25.023815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015942
observed d67f35ec71e7366547014c20f0c3dc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.002797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015942/manifest.json
observed b8b5a846717e76bbb2941f3a947fe543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.982432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015942/publication.md
observed 2c0685c5aebcf11aadd8755acfabafc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.961881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015942/publication.txt
observed 77a8c51a60347fa7267807316c2443d9...
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.