OpenTechnical

OT-2026-000077559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077559) never changes.

Identity and time

Publication numberOT-2026-000077559 · never reused
Internal UUID01a0ae95-2ece-7fc3-aade-6244aebd3a4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077559
StatusPUBLIC

Content hashes

Canonical text7ad083134eefa95e6910890db6e0259ea45f4ed959d2c5e67c503cac7bcbe0c9
Markdownf012848fbb8930df033823968e6245c8d1d179a38aea509e9dd777a43ece6590
PDF
Publication page6815932070f1991d9548089c43d3260d1a815f607236a222061938de681a57d2
Manifest27f0b789aee503e776c59db4e22578d63c632474f51f8e68a08627313961d7ba

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
SignatureqfVT6EnLr4IBM16GUWxdS1AEbKDx/3mGneBmOEGPfxUdfsh9ig/J0fzQP5a2keaG1+C1MvNrsIGAc2R92FJ7BQ==
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

2026-09-17T10:07:02.241502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077559
observed 6815932070f1991d9548089c43d3260d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.222867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077559/manifest.json
observed 27f0b789aee503e776c59db4e22578d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.203492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077559/publication.md
observed f012848fbb8930df033823968e6245c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.183522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077559/publication.txt
observed 7ad083134eefa95e6910890db6e0259e...
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.