OpenTechnical

OT-2026-000079774

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000079774) never changes.

Identity and time

Publication numberOT-2026-000079774 · never reused
Internal UUID01a0ae96-4375-7e5c-93c0-e4b87a93f3e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079774
StatusPUBLIC

Content hashes

Canonical text97d8a4bdad41db94182ca2134004b9b9d805483771223035de7c591bc5102739
Markdown5044da73c947a2b73a942b8619c4177b3808fa05dd41141acd5b4e4b66b7e6c8
PDF
Publication pagee7caa32c7e6eefa38dac8c078f32e3b3cf132ce6eced82c278b5ab025e5667b3
Manifest4a2842fd388e06fbe76f2151bae8a71048a5b5d974839896aaed72777b4b4222

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
Signature3Y2RBHLwajE/uG1EWFVDwr46AbDK4xP/9JPnsZ7PA3zDJLMPJ8PMnmZOoPi7MKDbSJWCQMf3kRofO7cDUbEVAw==
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

2026-09-17T10:03:38.866512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079774
observed e7caa32c7e6eefa38dac8c078f32e3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.848204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079774/manifest.json
observed 4a2842fd388e06fbe76f2151bae8a710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.829118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079774/publication.md
observed 5044da73c947a2b73a942b8619c4177b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.809863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079774/publication.txt
observed 97d8a4bdad41db94182ca2134004b9b9...
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.