OpenTechnical

OT-2026-000010925

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000010925) never changes.

Identity and time

Publication numberOT-2026-000010925 · never reused
Internal UUID01a0ae6c-540d-75c4-b95d-2dfb38f22537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010925
StatusPUBLIC

Content hashes

Canonical textdf8fe8fca8a2441f66bcda8b5c13f0ce22e00a4cabc8c737453fbc54577f3298
Markdown1148caf7747ace57c9251ce732a641548aa4b93c2ec8fc72567dfaa29797fa4f
PDF
Publication page3d061ba6c23af49ab68c4d9d3919b4c1fee5f891f0641f8b6bc5b76195f91185
Manifestb8aa9ec0cdaa9b6d3df52c629f062e29466c35496130b971abccbec5fb0775d7

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
SignatureW94C0VzPhsbVo8/S0GlJ3TF3ePCJA6pm7jz/Ecyvj53G6da0N+I1JO1RRSpfEn9xube+DSXb7F3LzoTF5jxiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:42.551552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010925
observed 3d061ba6c23af49ab68c4d9d3919b4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.530291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010925/manifest.json
observed b8aa9ec0cdaa9b6d3df52c629f062e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.509165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010925/publication.md
observed 1148caf7747ace57c9251ce732a64154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.487859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010925/publication.txt
observed df8fe8fca8a2441f66bcda8b5c13f0ce...
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.