OpenTechnical

OT-2026-000097172

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097172) never changes.

Identity and time

Publication numberOT-2026-000097172 · never reused
Internal UUID01a0aea1-01ca-76d6-9ebc-cd6f95ab7079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097172
StatusPUBLIC

Content hashes

Canonical text464711f4f89c1883023394e6fad77322a1510bf414e8059503b80bd4f0fc11b6
Markdowna23bf1964589f0997aeb54afd7e0bd0d02e02387670bdbd599efe1a46562fc26
PDF
Publication page1da933b6ac690cd97d9edddc92699c1c749df8e8ad576cfcf83f1ffac56b7de3
Manifest7ade4c37b61912c45f507364913d8da13376ba2887bc4cddc534314d4b1dcb54

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
Signature2f7+YSQ3Kn4ZBzpFHA3uO+oj8xRChb9xJ9YktOK/bw+U/tTIGz3EtydcTwGsx5Ywl9Sm/d9nTSt3MPOL7IwwBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:11:01.367938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097172
observed 1da933b6ac690cd97d9edddc92699c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:01.351029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097172/manifest.json
observed 7ade4c37b61912c45f507364913d8da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:01.091336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097172/publication.md
observed a23bf1964589f0997aeb54afd7e0bd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:00.947318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097172/publication.txt
observed 464711f4f89c1883023394e6fad77322...
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.