OpenTechnical

OT-2026-000017461

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017461) never changes.

Identity and time

Publication numberOT-2026-000017461 · never reused
Internal UUID01a0ae6e-76c9-7a8a-9182-1626bb47fb2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017461
StatusPUBLIC

Content hashes

Canonical text2a2f37d63274e39c7efe85005f255ecc764f75a0817ef52e946c8d8f5a8e4852
Markdown780ca0c9693f80fe8099250df94cd96726b1d3f89dd5a379a52961ed94d2060a
PDF
Publication pageb7dcc44102ed603d8a26877555f07334060f24f04f32bbe34fa44e811d1c41de
Manifest570c94353546b210efdce3478fd021fe9412adc58c77535e84ebdcbb0317e734

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
Signaturevc37Ak7Wbib30bIzaoEe2JBYPu7AyqkmbZw7gaXdFeQA7akziSBntM41RUJxRvYGa8vq84G65+f1a3+cfCD8Aw==
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

2026-09-17T12:02:35.970170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017461
observed b7dcc44102ed603d8a26877555f07334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.953913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017461/manifest.json
observed 570c94353546b210efdce3478fd021fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.935521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017461/publication.md
observed 780ca0c9693f80fe8099250df94cd967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.918664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017461/publication.txt
observed 2a2f37d63274e39c7efe85005f255ecc...
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.