OpenTechnical

OT-2026-000026897

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000026897) never changes.

Identity and time

Publication numberOT-2026-000026897 · never reused
Internal UUID01a0ae72-3452-713e-9627-029a7de5e1ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026897
StatusPUBLIC

Content hashes

Canonical textc5a3ec4511fbada0580ce94a116ca1ededd7f3d76f568e5b69497c1522aa0bc5
Markdown7ca513e72640dedc277d6fbe52568565544d7651abc068a8eedcfaba9fa66d11
PDF
Publication pagee57e62cbf0feb5dd2678e9f647f066d7cf393daad733d60d78f230ca41f9d064
Manifest1e3f9f38efdf925d14c682285d516848d3304cf8f0f0a8354e8e87a86f37df9d

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
SignatureEiLAc+bYzRL2KL1MIQ4RP0b2OSR3CKlmVJoCrF33Sn34yUHdVfKlV+LY0aECgE1ZJE6tkUBBTCVIEvFrX0apBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:30.409161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026897
observed e57e62cbf0feb5dd2678e9f647f066d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.389362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026897/manifest.json
observed 1e3f9f38efdf925d14c682285d516848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.368709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026897/publication.md
observed 7ca513e72640dedc277d6fbe52568565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.346660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026897/publication.txt
observed c5a3ec4511fbada0580ce94a116ca1ed...
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.