OpenTechnical

OT-2026-000077966

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented after 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-2026-000077966) never changes.

Identity and time

Publication numberOT-2026-000077966 · never reused
Internal UUID01a0ae95-2ed1-735a-bf67-cd7bfd420c98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077966
StatusPUBLIC

Content hashes

Canonical text37d23f0e8ec305768476a8bbf363c02e9e63f294c026e6f35daa6f76655a9551
Markdowndd8a27b77c4604fbd055ec136760aafdb7dc717b5aaebbcf4ea2ffc396e0d9ef
PDF
Publication page41988bae77f9e870e0ce5035d047cec68a01969ef488ab527466adba9a4e10b4
Manifestba409bcec7820dcc16e06620b5ca9e83f8fdcdb178556d94aa72d4a9a668e131

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
SignaturewBnL6hd+IyJgSnx3DD9PWdOgHDwoBqhf5uD5oYimljuy5ymTH4N2Dsf+CHFMvbX6dA1WIJS0FCxtu+Mgt6ECAw==
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

2026-09-17T10:10:21.043478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966
observed 41988bae77f9e870e0ce5035d047cec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.019952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/manifest.json
observed ba409bcec7820dcc16e06620b5ca9e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.001006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/publication.md
observed dd8a27b77c4604fbd055ec136760aafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.980083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/publication.txt
observed 37d23f0e8ec305768476a8bbf363c02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.990286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966
observed 41988bae77f9e870e0ce5035d047cec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.972854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/manifest.json
observed ba409bcec7820dcc16e06620b5ca9e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.954031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/publication.md
observed dd8a27b77c4604fbd055ec136760aafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:14.936597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077966/publication.txt
observed 37d23f0e8ec305768476a8bbf363c02e...
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.