OpenTechnical

OT-2026-000071181

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071181) never changes.

Identity and time

Publication numberOT-2026-000071181 · never reused
Internal UUID01a0ae91-e0eb-7815-8401-9d9269a86ad0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071181
StatusPUBLIC

Content hashes

Canonical textd3410eb21c6d16b60430a8c0289b590accd7b2be243ff65fa3f5402b7ce84554
Markdown13edb7e0785deda17d59f8c26472d06fbd9959e74e5beaa26c528885fe1d8d08
PDF
Publication pagefd32abac68d5e67b2dfdf0cb9cb7c1c87fce839e252afb69ea268e985fd0d30b
Manifest4468f0305a32092a65cb839bafbc76d8535e0e7f71e5d77430880c384e6c3221

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
SignatureCqLSxMm3IAu0yRiI3o7zWJrEmFUsqyJmGhTjZMQ5ykdukfdG2lhGj1GEl09l1nnknyQURfA88087rVFQCkumBw==
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

2026-09-17T10:24:41.704656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071181
observed fd32abac68d5e67b2dfdf0cb9cb7c1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.687087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071181/manifest.json
observed 4468f0305a32092a65cb839bafbc76d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.668945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071181/publication.md
observed 13edb7e0785deda17d59f8c26472d06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.653292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071181/publication.txt
observed d3410eb21c6d16b60430a8c0289b590a...
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.