OpenTechnical

OT-2026-000098660

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098660) never changes.

Identity and time

Publication numberOT-2026-000098660 · never reused
Internal UUID01a0aea2-42ad-7c71-8ae3-84ce407c732c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098660
StatusPUBLIC

Content hashes

Canonical text51b838d0304656f8c6637e91c04b2defd081d7b1fa05257f5cda3fe978a1ab50
Markdownb40d1df88967b107cae74966c876ebe4826a04a9358c398fcb8e853e6fb601c9
PDF
Publication page2df0c9c65fdf29e0701c0ed6fb25bfbddee3d836b7043077b47b4ee535a301d8
Manifest3e2abf921473b665f974580b716521aca683988c0a25cdd22ec60e2660dd79f9

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
Signature1/4HfghK/zcSoj/z+rOytXbTsuRSqQjFowYC0JCRzotJZQdQSf/wFbNwhnfKX2guRa/RGAH2jpFeTmLeWEGeCw==
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

2026-09-17T09:30:57.450053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098660
observed 2df0c9c65fdf29e0701c0ed6fb25bfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.432133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098660/manifest.json
observed 3e2abf921473b665f974580b716521ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.414700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098660/publication.md
observed b40d1df88967b107cae74966c876ebe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:57.382504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098660/publication.txt
observed 51b838d0304656f8c6637e91c04b2def...
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.