OpenTechnical

OT-2026-000076514

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076514) never changes.

Identity and time

Publication numberOT-2026-000076514 · never reused
Internal UUID01a0ae94-6a71-7a9d-ae86-2737c5acfe1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076514
StatusPUBLIC

Content hashes

Canonical text8ace7ff4399ee81d838e9236510c2fe91144dcdf51b242e2e2c212da9360fee3
Markdownf6b14c518f055ab693f5a9cbc271aef23f889f9743744d85a5feb86ebac3e7fd
PDF
Publication page4b763154fa2a215857b9092960190edf48e8da854b8dac5adda32cea5729a494
Manifestef4c2d8ff13ddcee927e66303f863e21acd833466bbf20a7040048cd171fcd6a

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
SignatureFWnjtmU6jLjaKbGCv0UEGSV7VfXLfaZtNNZMcMxm6gBqFhn9d99TbBHH8T6U4Vd14uM1rhn+k1GEz6DYMTDvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:49.507526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076514
observed 4b763154fa2a215857b9092960190edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.487487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076514/manifest.json
observed ef4c2d8ff13ddcee927e66303f863e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.469642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076514/publication.md
observed f6b14c518f055ab693f5a9cbc271aef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.449560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076514/publication.txt
observed 8ace7ff4399ee81d838e9236510c2fe9...
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.