OpenTechnical

OT-2026-000085022

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000085022) never changes.

Identity and time

Publication numberOT-2026-000085022 · never reused
Internal UUID01a0ae99-43b7-734b-a456-076f8c27210a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085022
StatusPUBLIC

Content hashes

Canonical texta44ad176c915512654ffdb4072b7b4476521d02cb02b17bcd07e0491a0211b3c
Markdown40213db11ab2c5eba82efdc5f46c9ae5c9b72bb5065a8cd005075a1db246f044
PDF
Publication pagec8ae542cf8132076bcc289a2de4260e078829476309caf877884922a2587f7b3
Manifest16d29a758fc6035a7d060a4bb4e0ba76ae32d3602fe840f597deff2f40c81264

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
SignatureunN4q06ODk5TfmRu6NUBnuLFms9uyIWh9254ZePGS65jq6fv+frfdpZ1nbzCDnamJ2AcsMqh6rO341D3odkJBw==
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

2026-09-17T09:55:01.948313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085022
observed c8ae542cf8132076bcc289a2de4260e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.930861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085022/manifest.json
observed 16d29a758fc6035a7d060a4bb4e0ba76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.913052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085022/publication.md
observed 40213db11ab2c5eba82efdc5f46c9ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.894375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085022/publication.txt
observed a44ad176c915512654ffdb4072b7b447...
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.