OpenTechnical

OT-2026-000027669

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000027669) never changes.

Identity and time

Publication numberOT-2026-000027669 · never reused
Internal UUID01a0ae72-6999-77a7-91c1-0491a80ae522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027669
StatusPUBLIC

Content hashes

Canonical text0043aa87d3e600d7554de1c3cb28bfd1490ad3927eab3b7e8908384428638a2c
Markdowne8bd649b622128fea99d25913dde52d4cb30ca97a21c32f594ad91fcf5568afb
PDF
Publication page35b50a4e563385d30db8c48817627fff0936c05bece06f653930ef4d6ab419e9
Manifestae536bfd14dae5516c7d4d65c21912e016a446e13eae93e5f9cf759dd67afd85

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
SignaturenLMnB7WHYv2cS4khk50EC5J9/gWz73mwBKoXeyCnSp0SQhhg0pox9FU7MwBy99wyz09M1cFsFJPinT4vGG/yBg==
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

2026-09-17T11:43:12.291496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027669
observed 35b50a4e563385d30db8c48817627fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.276377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027669/manifest.json
observed ae536bfd14dae5516c7d4d65c21912e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.260610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027669/publication.md
observed e8bd649b622128fea99d25913dde52d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.242820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027669/publication.txt
observed 0043aa87d3e600d7554de1c3cb28bfd1...
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.