OpenTechnical

OT-2026-000095647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095647) never changes.

Identity and time

Publication numberOT-2026-000095647 · never reused
Internal UUID01a0ae9f-fac4-7753-a8ac-efd7a4ca71ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095647
StatusPUBLIC

Content hashes

Canonical text9476402cd15df44d931d6ef4fd89e394f4ec40a771daa7223befc6d0b9cbb7bc
Markdown9cf35c667d7c8102e510980975084084dde9b8f6bdd2e9c38ad53701de0dee2a
PDF
Publication page2991cdbcb76a1e465d5aa407c67d703bd1c05404ceb6799d14792f3eac401237
Manifestdd2ce8bc62fe20654e35dc3978937bc9bf6b9d3836edcd20208e03f010df3f70

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
SignatureouIcHQZhXQ/5fdB4fkYWLFksQn4rl1Ryp9VN+ajVbRMjAYoK/QPcPsXvvoC0evcuOnwrpFeIsZYdZU645TaGBA==
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

2026-09-17T09:35:06.778695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095647
observed 2991cdbcb76a1e465d5aa407c67d703b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.761849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095647/manifest.json
observed dd2ce8bc62fe20654e35dc3978937bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.746469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095647/publication.md
observed 9cf35c667d7c8102e510980975084084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.729387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095647/publication.txt
observed 9476402cd15df44d931d6ef4fd89e394...
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.