OpenTechnical

OT-2026-000034895

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000034895) never changes.

Identity and time

Publication numberOT-2026-000034895 · never reused
Internal UUID01a0ae76-1ed3-7d95-a7f6-f783c1385f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034895
StatusPUBLIC

Content hashes

Canonical textd306a30a63f25f70c08944bbf8ac188acb12610e839123fe8aa66e428e2b9bc0
Markdownf3cce3ba89ef02b0360fb2f5d2bea62093702345e5b4b17b3e6c8383a249f706
PDF
Publication page2d7a02b3a2456036b268ac34087886f455e503b8e3a23333eb423b875685712b
Manifestb7ad22919d3414f217311902db409ad55c24cdfd9a6bdd6d02408e8069d673f7

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
SignatureuYZZt0OWztiWCtepfIHqpEXz0jUjN2XjF5NyZmJtjikJtub+1rb4vXjfVv1eqL/ADoe9HJCrB1I8F0Uttj87CA==
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

2026-09-17T11:30:33.269692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895
observed 2d7a02b3a2456036b268ac34087886f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.252038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/manifest.json
observed b7ad22919d3414f217311902db409ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.234295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/publication.md
observed f3cce3ba89ef02b0360fb2f5d2bea620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.216251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/publication.txt
observed d306a30a63f25f70c08944bbf8ac188a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.146902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895
observed 2d7a02b3a2456036b268ac34087886f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.127425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/manifest.json
observed b7ad22919d3414f217311902db409ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.107374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/publication.md
observed f3cce3ba89ef02b0360fb2f5d2bea620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.088945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034895/publication.txt
observed d306a30a63f25f70c08944bbf8ac188a...
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.