OpenTechnical

OT-2026-000083383

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000083383) never changes.

Identity and time

Publication numberOT-2026-000083383 · never reused
Internal UUID01a0ae97-c964-71d9-b03e-8ab54c023a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083383
StatusPUBLIC

Content hashes

Canonical text83064664bbd12739699823719f701f4b40b847386bda5d9b3be07102f9998519
Markdown27131201a229050f8260d9fca4f92622179513b1a47e4abcf91ec4b7add3f366
PDF
Publication pagef193f0acc3230d645ee51593736a5d662f8ec0ca82b1e71285ca4af2a3dc16ac
Manifest948d107a6f013913f90765ad4bd14aa5018b74816d4f2ba59823cf9ec58054ff

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
SignatureWYpZIQk+NTJl4jO8A8F8xBV+Oj9ubbhHCFRMLP09Ao3ZASb07BTy7zeipCpRVZd2izKNWJmEhHe9DD5f46Y6AA==
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

2026-09-17T10:00:49.508652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383
observed f193f0acc3230d645ee51593736a5d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.483691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/manifest.json
observed 948d107a6f013913f90765ad4bd14aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.455535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/publication.md
observed 27131201a229050f8260d9fca4f92622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.432780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/publication.txt
observed 83064664bbd12739699823719f701f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.277126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383
observed f193f0acc3230d645ee51593736a5d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.262371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/manifest.json
observed 948d107a6f013913f90765ad4bd14aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.247017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/publication.md
observed 27131201a229050f8260d9fca4f92622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.231364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083383/publication.txt
observed 83064664bbd12739699823719f701f4b...
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.