OpenTechnical

OT-2026-000034372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000034372) never changes.

Identity and time

Publication numberOT-2026-000034372 · never reused
Internal UUID01a0ae75-df0e-75c9-ae6d-9f9b7b1754da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034372
StatusPUBLIC

Content hashes

Canonical textab173c5193862c815e831f45f2dbda42012ad43e74980b5631e98dc3da382732
Markdownba832b51713db2ba17d1afa5c455e33225c1ed00bc5214691690820decb019cd
PDF
Publication page52a9f1fc3e8ee2adcebd9e4362425c0d7e8cc2534cbf7d9d2ad1016f88de5616
Manifestbac11dcbc17bdfb0a72898647e08a34182bcb5d407edd4a66b0547c069f6ae99

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
Signaturec0h5aTdq9MyG3ERScpUcXJwrK7rFN5TmOWftKVp2TTTuVfMHdT9Eeoy437aDQDeP7QJozdh5gKxgvWYGUyE3Cw==
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

2026-09-17T11:31:04.817168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034372
observed 52a9f1fc3e8ee2adcebd9e4362425c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.799911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034372/manifest.json
observed bac11dcbc17bdfb0a72898647e08a341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.779999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034372/publication.md
observed ba832b51713db2ba17d1afa5c455e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:04.761212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034372/publication.txt
observed ab173c5193862c815e831f45f2dbda42...
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.