OpenTechnical

OT-2026-000101513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000101513) never changes.

Identity and time

Publication numberOT-2026-000101513 · never reused
Internal UUID01a0aea4-0e14-7718-ab1b-696808f0c39f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101513
StatusPUBLIC

Content hashes

Canonical text6cf80b1bb45e54c8298b6ac981ce5bfd1993925f880234cf3ed53d1daa42dbd5
Markdownb4ef5a746148c899bb3fb560db53b2d2eb24ad6eaf89ad9b40bb47bd298162f9
PDF
Publication page93eef1ef3ddd0072538d7af2b41ac83b1ca99a73f70f4f2acdf70e9882f2998b
Manifest5f41448823411f732a4ea0c7887c0cc17ad0080299e0061ebd81b970f846d878

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
SignaturenYM2HRQgcoMo78MkxAao9Nd27+NprQwKLs99U4018RQfxc/NSwlkhWdykbYE/RgFbLH+yiIMv21tMXQLH7i+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:59.027968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101513
observed 93eef1ef3ddd0072538d7af2b41ac83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.007113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101513/manifest.json
observed 5f41448823411f732a4ea0c7887c0cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.987657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101513/publication.md
observed b4ef5a746148c899bb3fb560db53b2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.967346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101513/publication.txt
observed 6cf80b1bb45e54c8298b6ac981ce5bfd...
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.