OpenTechnical

OT-2026-000069385

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069385) never changes.

Identity and time

Publication numberOT-2026-000069385 · never reused
Internal UUID01a0ae90-b529-7c76-8440-5efdfc6180b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069385
StatusPUBLIC

Content hashes

Canonical text63ae1b12157f7885828024fc51e90f10dcb60fd5a4b05bd7a7bd9afd60112e37
Markdownd39e436cc02e5da9246b5b2990c5732569319dc38a0c5719f80c714be5e6f03b
PDF
Publication pagebe5728c3718f9594b6a12f381310dfaea50655640afed3bd40dd4df0e3cd7846
Manifestdcc8aebcb6b13e30e0768d979b6c1d6d0ab3e2033a2965f941a51afaf0d1a0bb

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
SignatureCs4DUyxwv80biOA75dn5TF9AZTZ1hEIuQBNqlnpkT3aopSalalwaTd2+d9IklJ16lqTvKr/U8UD25TXHYaUDDw==
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

2026-09-17T10:30:18.454298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385
observed be5728c3718f9594b6a12f381310dfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.436847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/manifest.json
observed dcc8aebcb6b13e30e0768d979b6c1d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.419707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/publication.md
observed d39e436cc02e5da9246b5b2990c57325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.403016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/publication.txt
observed 63ae1b12157f7885828024fc51e90f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.942634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385
observed be5728c3718f9594b6a12f381310dfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.924641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/manifest.json
observed dcc8aebcb6b13e30e0768d979b6c1d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.907367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/publication.md
observed d39e436cc02e5da9246b5b2990c57325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.886950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069385/publication.txt
observed 63ae1b12157f7885828024fc51e90f10...
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.