OpenTechnical

OT-2026-000015974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015974) never changes.

Identity and time

Publication numberOT-2026-000015974 · never reused
Internal UUID01a0ae6e-0c4d-70da-875b-6f4ddda11188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015974
StatusPUBLIC

Content hashes

Canonical text41e0b820c012a7ae5911a878d60f0d3b7e848d18befb84f0ad6e4b4ed0dd04c5
Markdown974662331fa6e62958e22b1b6c0555c5b75f984a56d59e28831693271f847220
PDF
Publication page070025410ba52679c8dd675523530d7f0f2d86b093b19bec4342b44d1bb9aec4
Manifeste8431bc6f4e010f726f111ce288d5af8dd23850f787ebe60c81b719e3c93383c

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
SignatureyGusaJdYBZhV3mZtJ97scr/5OJGqE9mg1s+1MQyn2E8U7eWXtDbSF66CVPbLWMI/cKoAe5L0pXVYdBY0AjCTDg==
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

2026-09-17T12:05:28.684177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015974
observed 070025410ba52679c8dd675523530d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.657656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015974/manifest.json
observed e8431bc6f4e010f726f111ce288d5af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.634447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015974/publication.md
observed 974662331fa6e62958e22b1b6c0555c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.610431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015974/publication.txt
observed 41e0b820c012a7ae5911a878d60f0d3b...
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.