OpenTechnical

OT-2026-000035479

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000035479) never changes.

Identity and time

Publication numberOT-2026-000035479 · never reused
Internal UUID01a0ae76-b4c4-7575-86fb-01aa2cebe6fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035479
StatusPUBLIC

Content hashes

Canonical texta8d2da6487d57f16ad269045f38a0fb5da61264d631d17e959168cb87417b703
Markdown77494bba6dd49c6107786107bea8eec9d8d54b05af76c8d842c6cd8f05a07332
PDF
Publication pagec93a300b4c2c1e84eb1d6e754aef48be367c018a1caa1a6ae4dc8d4ba3b0cec6
Manifestfd9940e34cbdf77ccd3fd9d7ea143d8d0458a36b4bc86785289dc736ec79d95f

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
Signaturew4LFbDDRKC+S0om9eOyY3Vk3rDKrLkj8cq1BSePMFkH9293Od0TqQncNHZhmRAkPWo1PCxJj1XP0IsJi/yKBCg==
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

2026-09-17T11:26:53.399690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035479
observed c93a300b4c2c1e84eb1d6e754aef48be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:53.381953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035479/manifest.json
observed fd9940e34cbdf77ccd3fd9d7ea143d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:53.365414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035479/publication.md
observed 77494bba6dd49c6107786107bea8eec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:53.347829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035479/publication.txt
observed a8d2da6487d57f16ad269045f38a0fb5...
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.