OpenTechnical

OT-2026-000013623

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013623) never changes.

Identity and time

Publication numberOT-2026-000013623 · never reused
Internal UUID01a0ae6d-8de8-7b47-91b8-84b21463cf1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013623
StatusPUBLIC

Content hashes

Canonical textf021ba52114970359bbf6eab2cd8037dd22866c35f3f55d0ad97afe875bc3790
Markdown71325b90deffc77d849ed6a9c063412b3477abf1da7cf0a860fa8f2c091badbb
PDF
Publication page3a36e345d8d1b67e10de68ecbb358b11682914c8b995a770487a923421fc253b
Manifest2813dedb1287730d688905b20936ad0b47f42ffe4bae0d501c4a3cebed53a994

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
SignatureXoNFs03uAgWm120ddlbadpxagOtvrj0xh1ZsctyBHBS5hjygy2VHLLl3SKVC0SzFjoAUb3ZnxyOrjIKE0dwACw==
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

2026-09-17T12:10:32.231137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623
observed 3a36e345d8d1b67e10de68ecbb358b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.209397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/manifest.json
observed 2813dedb1287730d688905b20936ad0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.183984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/publication.md
observed 71325b90deffc77d849ed6a9c063412b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.166872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/publication.txt
observed f021ba52114970359bbf6eab2cd8037d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.246192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623
observed 3a36e345d8d1b67e10de68ecbb358b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.226242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/manifest.json
observed 2813dedb1287730d688905b20936ad0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.206608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/publication.md
observed 71325b90deffc77d849ed6a9c063412b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.189408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013623/publication.txt
observed f021ba52114970359bbf6eab2cd8037d...
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.