OpenTechnical

OT-2026-000084036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000084036) never changes.

Identity and time

Publication numberOT-2026-000084036 · never reused
Internal UUID01a0ae98-5b5e-7926-a030-c0bd11b0a47c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084036
StatusPUBLIC

Content hashes

Canonical texte7eac1f61aab1cc04447240600231a8c90b14150b0a51e91c8aba3ac6b2babd7
Markdowna3f70e4b970ee1530cabf08caf18fa59f7bf8ec76293633d7e5825bb35397b7c
PDF
Publication page3c1043894284527c7d1770d2a923d0c4bb470900645fa85b068a4e83174874de
Manifestc2d1c2cdf9bc5cf03e3445e8444d5897c35574b6ac70996c026a366e1c883d2e

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
Signaturez6Yi9ufnr1h/z7E8FY8UE+ucJ95QZWEHRLhytyuFBg4SmyYt/clF8qc5lzHPcqiDdBcjYPs9VE+BpVr1SP0yBg==
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

2026-09-17T09:55:45.896994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084036
observed 3c1043894284527c7d1770d2a923d0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.878278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084036/manifest.json
observed c2d1c2cdf9bc5cf03e3445e8444d5897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.851707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084036/publication.md
observed a3f70e4b970ee1530cabf08caf18fa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.833209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084036/publication.txt
observed e7eac1f61aab1cc04447240600231a8c...
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.