OpenTechnical

OT-2026-000072076

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000072076) never changes.

Identity and time

Publication numberOT-2026-000072076 · never reused
Internal UUID01a0ae92-47c1-71b5-8dba-42cf506bb66a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072076
StatusPUBLIC

Content hashes

Canonical textf044538e1ff7a96c9a0731a70325fdce222c577272cfa9e78b58ac4fa0d34036
Markdown5bf4d618d84e46073d34bf229f3463e79c13d72d2927f635b40484a8d57dc311
PDF
Publication pagee97a29c0a7a4cf465066fb262e826427f8bff6f968f9ecdf9ef114adef5502d5
Manifestdcb71e4703acaa7c06ece3c81403dd9b14310da4ac6a8d7c3982b959778bcdb4

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
Signature+IMGcPlttkHNGzqNO3qqbdezz1GpQ4gTQQfPPkHcFloEdWyGDP3XLqVQNkoHiCyrqRZYUKp2Dpx56Ktw00oEBg==
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

2026-09-17T10:23:09.162311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072076
observed e97a29c0a7a4cf465066fb262e826427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.147101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072076/manifest.json
observed dcb71e4703acaa7c06ece3c81403dd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.130835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072076/publication.md
observed 5bf4d618d84e46073d34bf229f3463e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.112263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072076/publication.txt
observed f044538e1ff7a96c9a0731a70325fdce...
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.