OpenTechnical

OT-2026-000097943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000097943) never changes.

Identity and time

Publication numberOT-2026-000097943 · never reused
Internal UUID01a0aea1-92f7-71a3-a279-ad8582e6bfdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097943
StatusPUBLIC

Content hashes

Canonical text201ca712f0ccbc59d63c8ab0b0cd36d59c1c6b83d2e0124c34d5b29408f30057
Markdown9cd7103260bdbdd9cf6c4bdf12060583097d9c717ab4e3c7c62a8cc65af52395
PDF
Publication page8e8d8dbf697cba01b8d904374e9adc4781c2bc1b767440c38268a564f8e0f059
Manifest90afbab7d2986fdfa5c0bd62b6c06f0b1d15bf26cbc6ef51da54a97851c81b70

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
SignaturedON2afkmw1XA4dIJh7Rfm9bUhqHmq3hI2JApaY7iv+QFzlZzro5vcOsBp6bXJD/ncOfBxzRUBS52/DqLxXK6Ag==
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

2026-09-17T09:33:04.671846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097943
observed 8e8d8dbf697cba01b8d904374e9adc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.655316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097943/manifest.json
observed 90afbab7d2986fdfa5c0bd62b6c06f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.637258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097943/publication.md
observed 9cd7103260bdbdd9cf6c4bdf12060583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.620066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097943/publication.txt
observed 201ca712f0ccbc59d63c8ab0b0cd36d5...
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.