OpenTechnical

OT-2026-000015997

Publication integrity record

Three cup vacuum gripper, three 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-2026-000015997) never changes.

Identity and time

Publication numberOT-2026-000015997 · never reused
Internal UUID01a0ae6e-0c4d-7810-9a42-36e058f68f7c · 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-2026-000015997
StatusPUBLIC

Content hashes

Canonical text9b97a021eaa7357a1836b7ef08bbe88cbbecbfb077bd3e738b431767331c3638
Markdowncc7580c2bcd10e6e09f574650b0705846e986022ef62f529c62569f692c25466
PDF
Publication page468c7c82b9816cf3af6f94748b7456daad8b7fafba154a3c035f47dbf247b9d3
Manifestc006f3d4af3e54d01ae3717eebd2b95789145d4595c5027e77b09f496127668e

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
Signature5/GLWvhFVQlaMZQLRWx1DwvE7Y/6i1LzmG9RqtbPOVRv7+kv/DRtsW6jodEsPSTdqE5yJIE4zlQchqOw88YaAA==
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

2026-09-17T12:05:31.204949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015997
observed 468c7c82b9816cf3af6f94748b7456da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.181662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015997/manifest.json
observed c006f3d4af3e54d01ae3717eebd2b957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.156517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015997/publication.md
observed cc7580c2bcd10e6e09f574650b070584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.130572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015997/publication.txt
observed 9b97a021eaa7357a1836b7ef08bbe88c...
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.