OpenTechnical

OT-2026-000101977

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off 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-2026-000101977) never changes.

Identity and time

Publication numberOT-2026-000101977 · never reused
Internal UUID01a0aea4-50f1-7d98-a100-c880fa0d94d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101977
StatusPUBLIC

Content hashes

Canonical textd5c6234ec993f935985df8a5ded8245fa896bc1434e272e15c2717428a9101aa
Markdown4eb8f10ff60c31c7b0cc53a396dad9254d81e8ec0bb787b959f882cf85299929
PDF
Publication page9c967c35b8e238167a820620b8d65860ae55870ab6143806a037b62b5208e427
Manifestefd651142599bcc347b8d9d5f11b01a04f51e7e2d20929c16902efd83cd8c306

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
SignatureXxtdBF10kbsqp5Y/Vzmux4Gg8ILlfpQ23Sd9m+y7mPWvYPz7pt+zCa48Ttn7T70xlNplifwwUE62Q/rvzFPVAw==
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

2026-09-17T09:25:06.033029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101977
observed 9c967c35b8e238167a820620b8d65860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.014435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101977/manifest.json
observed efd651142599bcc347b8d9d5f11b01a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.995983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101977/publication.md
observed 4eb8f10ff60c31c7b0cc53a396dad925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.978469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101977/publication.txt
observed d5c6234ec993f935985df8a5ded8245f...
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.