OpenTechnical

OT-2026-000091140

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000091140) never changes.

Identity and time

Publication numberOT-2026-000091140 · never reused
Internal UUID01a0ae9c-f16b-7305-8888-214d5b219749 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091140
StatusPUBLIC

Content hashes

Canonical texte441e6a849afbfa3880e20b73fecaab5c002347737352f35aa1340796026ed10
Markdown8ff4c66b9d8060217e3413d7f7a6b6f6643959e03c49fb8e27cbbe1cb5b2c6a0
PDF
Publication page37b9342218a182e450df4f2304ccc93c970af40f9766c2283e0009d937df4638
Manifest3191e425aacfc7afc8756263cedaf2eb6ca1d22b6343a8bec42a307d185422fc

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
Signaturekl4Kdy/SWcNCer52SWZ4qlkuOk61yke5IrnEWzyNY9yfsLnwzx7OdN41FON4O7V+BOY4OBVOKzAz9JETp+5nBw==
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

2026-09-17T09:43:17.858594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091140
observed 37b9342218a182e450df4f2304ccc93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.840453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091140/manifest.json
observed 3191e425aacfc7afc8756263cedaf2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.820535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091140/publication.md
observed 8ff4c66b9d8060217e3413d7f7a6b6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.804081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091140/publication.txt
observed e441e6a849afbfa3880e20b73fecaab5...
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.