OpenTechnical

OT-2026-000073356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073356) never changes.

Identity and time

Publication numberOT-2026-000073356 · never reused
Internal UUID01a0ae92-efb8-7092-962a-7d0c9050384e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073356
StatusPUBLIC

Content hashes

Canonical texta3f757b52eb5f93d0891d1f198bc8179e1deac425c511efef8e4b25ac7410df1
Markdownab8a4e32ed33677a39121c760fe9e7c76b848e49fd1ec5f3ee082bb72a572824
PDF
Publication pagea97ef54312273806ad83354d21fa293d709fa5eca6320189392fb5b5701263f5
Manifestd577e823b69db49323f0cec1ac023414081661950d524eb7ebd59d46363c2e65

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
SignatureAFtMXj2gL1fbH2o/SNCCA9x2XGgnX21kWdzA7WWgfo5GOMIWS/f3+q5rX3U/IsFwG1J42eSYn+hiltdlwWf/Aw==
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

2026-09-17T10:21:22.601370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073356
observed a97ef54312273806ad83354d21fa293d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.581910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073356/manifest.json
observed d577e823b69db49323f0cec1ac023414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.542877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073356/publication.md
observed ab8a4e32ed33677a39121c760fe9e7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.503695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073356/publication.txt
observed a3f757b52eb5f93d0891d1f198bc8179...
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.