OpenTechnical

OT-2026-000085541

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085541) never changes.

Identity and time

Publication numberOT-2026-000085541 · never reused
Internal UUID01a0ae99-aaac-7c41-88da-dd81dc38ac28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085541
StatusPUBLIC

Content hashes

Canonical text0ce0fede58a964e64815670636a654d92853a0e6b4de7101b66afc027df96e60
Markdownb81bb722b051c370b055303882c338e2d5ca85e7207ae959cf8dbd3f22cfc470
PDF
Publication pageacb09ea45e1fb28c5eb1544790eb7fe12d156eb80f7764c4d928e75f1370c9a1
Manifest77b1f25b14248349ab0facc3b6ee04205b6018819adb266e6e8e4b1f8b6a4ce5

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
Signaturebz5mVCj7pGZ/87bARVu+3k1Duv6th+NrxX0yAETpMKwRw4vY6maMhEaB7ZOYzliXBkr0zXKlQ6tjMxC0CEHWAg==
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

2026-09-17T09:54:21.552729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085541
observed acb09ea45e1fb28c5eb1544790eb7fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.536843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085541/manifest.json
observed 77b1f25b14248349ab0facc3b6ee0420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.519370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085541/publication.md
observed b81bb722b051c370b055303882c338e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.503255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085541/publication.txt
observed 0ce0fede58a964e64815670636a654d9...
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.