OpenTechnical

OT-2026-000010080

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000010080) never changes.

Identity and time

Publication numberOT-2026-000010080 · never reused
Internal UUID01a0ae6b-cb7a-7455-b3ff-9d7bb070f2ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010080
StatusPUBLIC

Content hashes

Canonical textd85befa3a32d466b45d5bf0c1f6c9fa4ea320a14410005b027ef5b2d7e1d6ee8
Markdown573e7e8d2b0b0a9b9682ad739fec03b51a7af5babecfa0feebdb472d7b1495bb
PDF
Publication page477d3422747a80e6d872503b91b950dd8df87aa7306b5c1ba2868da502fa8626
Manifest789a43a976d23cdf0e70066ffd8bcc19c96054e3efbedf3394de19d1b7dfb7a6

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
Signature9a6aRtsLdlcMUf/f3BQGlmVtaD0sGsGBgL+AxF4xWY4U5oNYmQzTHw20YXoT0zssv0qK2dPRmL61mAQBMrjACA==
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

2026-09-17T12:16:09.604930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010080
observed 477d3422747a80e6d872503b91b950dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.583525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010080/manifest.json
observed 789a43a976d23cdf0e70066ffd8bcc19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.562958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010080/publication.md
observed 573e7e8d2b0b0a9b9682ad739fec03b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.544023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010080/publication.txt
observed d85befa3a32d466b45d5bf0c1f6c9fa4...
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.