OpenTechnical

OT-2026-000071925

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071925) never changes.

Identity and time

Publication numberOT-2026-000071925 · never reused
Internal UUID01a0ae92-47c0-7cd1-80f4-1af6cce27a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071925
StatusPUBLIC

Content hashes

Canonical textf3c29cb78cf7c06e8dd893c957dc03842544cf1411ce6960f554af2d9f1e0aba
Markdowncdf6b73e49d2c1a2052fe22b67f823534404bd1ad4b32a4507e9d2470e70c2a6
PDF
Publication pageec5f8d29720108a0a5230d91fe1b6f3e581c364fc07ad1c78d32f4fbe73a9e81
Manifest1f259775135dd300f7609d010da7cffed117cb72c54058a1685355818f2412f3

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
SignaturekoFXUZfOnoJDJVjLvWU74aXip/sKOKD8QXt+kFLGoT6h9AWSzLZ5QgvpQlxAZZX4vJ+6d7QYyLdKq7HgEyCBCw==
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

2026-09-17T10:22:57.312338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071925
observed ec5f8d29720108a0a5230d91fe1b6f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.293298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071925/manifest.json
observed 1f259775135dd300f7609d010da7cffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.272446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071925/publication.md
observed cdf6b73e49d2c1a2052fe22b67f82353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.256183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071925/publication.txt
observed f3c29cb78cf7c06e8dd893c957dc0384...
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.