OpenTechnical

OT-2026-000083923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000083923) never changes.

Identity and time

Publication numberOT-2026-000083923 · never reused
Internal UUID01a0ae98-0418-7418-8dbd-9004fd7dc690 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083923
StatusPUBLIC

Content hashes

Canonical text2290de2d2f78cbc66512e50cd56e076b82076afc610d1ef1e71e84383975f79c
Markdown1d7f9faf260e066f338c8cc98ea17fcf16099f4aa20c7a646b6ced6b25ffb452
PDF
Publication page33536f9cf420b90260f6a555fcbf2531f990e038c633d90a4f92967c238554ee
Manifestcb7ca1fea5717184569bdb903ecdfd0a97e3cb7fb5e0dfdae277557efd7368d1

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
SignatureuoyVDKkfhnN9wiuIW9K4eanj8JUgkbJ7BN9o5uDifDGFtAFMzHYW3Ti56gObQdUgK//XsFiVXjEcV2TQaUtUDA==
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

2026-09-17T10:00:25.022682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923
observed 33536f9cf420b90260f6a555fcbf2531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.005689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/manifest.json
observed cb7ca1fea5717184569bdb903ecdfd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.987305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/publication.md
observed 1d7f9faf260e066f338c8cc98ea17fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.970088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/publication.txt
observed 2290de2d2f78cbc66512e50cd56e076b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.910984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923
observed 33536f9cf420b90260f6a555fcbf2531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.893209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/manifest.json
observed cb7ca1fea5717184569bdb903ecdfd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.876460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/publication.md
observed 1d7f9faf260e066f338c8cc98ea17fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.859466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083923/publication.txt
observed 2290de2d2f78cbc66512e50cd56e076b...
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.