OpenTechnical

OT-2026-000088107

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000088107) never changes.

Identity and time

Publication numberOT-2026-000088107 · never reused
Internal UUID01a0ae9b-1aa7-72a8-a9f0-71e214ee8ad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088107
StatusPUBLIC

Content hashes

Canonical textb25382556aaca201435e800031a265f2e98e87f3023b6fae73b6d0e327c40b85
Markdowna4e1e0ffb0aaf6308849386b75048609ec476262471dba3d689878d613d7d223
PDF
Publication pagef5a95cc66de9ecec940401f89c678267ca0eb991e2159175b8779053509dac4d
Manifest8aa16ca9ec3763026424e0cc4677b8c766694b7c6915c028beb964c0b0f8a931

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
Signaturexx/wDUas/b2Ks6XIuw7AS3nYVe2/Yj6Ctt++m3HGVmIU1G2R5rHG5OoO1Gp4Hjd6EZQ3i7LyQlND2lectfTsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:02.865283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107
observed f5a95cc66de9ecec940401f89c678267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.845860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/manifest.json
observed 8aa16ca9ec3763026424e0cc4677b8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.825102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/publication.md
observed a4e1e0ffb0aaf6308849386b75048609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.806663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/publication.txt
observed b25382556aaca201435e800031a265f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.902772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107
observed f5a95cc66de9ecec940401f89c678267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.885962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/manifest.json
observed 8aa16ca9ec3763026424e0cc4677b8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.866796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/publication.md
observed a4e1e0ffb0aaf6308849386b75048609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.847034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088107/publication.txt
observed b25382556aaca201435e800031a265f2...
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.