OpenTechnical

OT-2026-000091367

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091367) never changes.

Identity and time

Publication numberOT-2026-000091367 · never reused
Internal UUID01a0ae9c-f16d-7795-82a7-d3da035bcfa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091367
StatusPUBLIC

Content hashes

Canonical textc997f24d5745725c05df0048945c1f2fa7d8c2d1e4f9cc28878ef9e0f62c9d3c
Markdown26915c80006e32aeeec17154dae087db45c21bd52eb96777be97788b7b3d99db
PDF
Publication page20da5fa4f0326a94139dadb3149bf8276293c4d3aee3652226587e113c56bfb0
Manifest6c95b90c41f8c29d766c33b1eefadf09902d5f26c48456cb192e84ea291ea343

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
SignaturercxOpp/IWi/QA+JOF+Vxoosy2rG8MqzF4+JSCR9raEgr0ruFOawj+d+MkJJK6twf0wq42qF6hAS8LVknAERACg==
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

2026-09-17T09:43:35.122748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091367
observed 20da5fa4f0326a94139dadb3149bf827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.105543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091367/manifest.json
observed 6c95b90c41f8c29d766c33b1eefadf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.088966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091367/publication.md
observed 26915c80006e32aeeec17154dae087db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.071432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091367/publication.txt
observed c997f24d5745725c05df0048945c1f2f...
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.