OpenTechnical

OT-2026-000038129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000038129) never changes.

Identity and time

Publication numberOT-2026-000038129 · never reused
Internal UUID01a0ae77-f88b-7d70-82c0-cb0e11b5befb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038129
StatusPUBLIC

Content hashes

Canonical textde6bad7391a333243f66c185202ce149a7771435f8c6c395699d610f135fde85
Markdown314b918fdfa10264b0e9e67bf1d146ed5fff721bde79366d72565ad21bbb9df9
PDF
Publication page9c794229202be07b0613b8598d721bb2a9d7f033066e94c7fb4edd2ea50e6ae9
Manifestfcf91fa0a96c24a0f1ca531700f3d5fba8c2a0967d84dfc6acf0a49f4cb9b261

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
Signaturebu6tu7A6N7ANublRuBsD1QalI5M2d+HaRRqNtMaGzPZ1dZGCt9/C3jVLMpXJ1JLXhfp/p2TSJRQyo1ellp/3CA==
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

2026-09-17T11:23:28.380372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038129
observed 9c794229202be07b0613b8598d721bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.363409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038129/manifest.json
observed fcf91fa0a96c24a0f1ca531700f3d5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.345574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038129/publication.md
observed 314b918fdfa10264b0e9e67bf1d146ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.329331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038129/publication.txt
observed de6bad7391a333243f66c185202ce149...
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.