OpenTechnical

OT-2026-000073344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000073344) never changes.

Identity and time

Publication numberOT-2026-000073344 · never reused
Internal UUID01a0ae92-efb7-747d-96b3-5cce67fa0ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073344
StatusPUBLIC

Content hashes

Canonical textd78ce2dee6773d26423e398a48c518e10e91834d03e41fa0225ac36b4e885652
Markdowna0ad730ceffe611b662bd8c462ada5a51c81600c4ebd29a82a55b0a06aa25279
PDF
Publication page27e74fb5b4dbf6e964cda420830da4b328127eeacff5d8bbdb4e6c278a95f56a
Manifest8e3b2c6684e0ecadb5c67d558cc3267bb5671b637ac20eebfabea286107a2ea5

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
SignaturevVFlbdHFREBYpbpmsorxT/gkXg756RpCqtWwOlYfAAWK1X4wGTU1Nxgb3UJXGwCajKDi4+mI9rsOVn6XGGOpBw==
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

2026-09-17T10:21:22.011523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073344
observed 27e74fb5b4dbf6e964cda420830da4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.991599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073344/manifest.json
observed 8e3b2c6684e0ecadb5c67d558cc3267b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.971947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073344/publication.md
observed a0ad730ceffe611b662bd8c462ada5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.952716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073344/publication.txt
observed d78ce2dee6773d26423e398a48c518e1...
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.