OpenTechnical

OT-2026-000082075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082075) never changes.

Identity and time

Publication numberOT-2026-000082075 · never reused
Internal UUID01a0ae97-4d93-7e82-9716-51f283859b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082075
StatusPUBLIC

Content hashes

Canonical text23146c3a770dba6a82a831d647340853563532202cdb2cc3914da1de09b84456
Markdownc1233bb76db8d40141319c7b4bd485f712000b9b3d64e7d22243fa5e0e11b148
PDF
Publication page1c69d7cb2bca370801614231fcd49d6c31372ddeedcf78e522e4eb71fdc2bc25
Manifest868295178f8023cd624350438b90a8071ccbf427e7f894c78289787af0dc902b

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
SignaturennBxjkPALTpCc33XD66AE9gQWiAwocrEtmlKjtEyryRBqo+CI8IcDJ/EdRRCotR8msF8mYnw6udPQl5pSE/LAA==
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

2026-09-17T09:58:52.672820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082075
observed 1c69d7cb2bca370801614231fcd49d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.656510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082075/manifest.json
observed 868295178f8023cd624350438b90a807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.639296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082075/publication.md
observed c1233bb76db8d40141319c7b4bd485f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.623020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082075/publication.txt
observed 23146c3a770dba6a82a831d647340853...
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.