OpenTechnical

OT-2026-000079320

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000079320) never changes.

Identity and time

Publication numberOT-2026-000079320 · never reused
Internal UUID01a0ae96-0b90-776a-bfae-bbf58273fb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079320
StatusPUBLIC

Content hashes

Canonical texte0c298733a1cd3305fc6f6cbb7506ea6a43e374c0a55ee0ddbed0f18f60d4f4d
Markdown14ea5a728588820f55203feab209df4940e585d6c4d28df7abb27ab711f488db
PDF
Publication page8aca8c59efc4b7d5bea930c2f42dfbfeada9b80ae394529077035a9b5ffc8c3b
Manifest3957e4a987c30ccec94492ccb277962e0358c1cdc15f2fd03229bc75a82655d3

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
Signaturezd0Cp06N/OkumSQfg7tTOmk5PPVPOShFWOa1T1w1nqT5+hTDq/JPh0czLqLgNJfm4+vX8y1BJ4wqitib7yqZDg==
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

2026-09-18T04:23:25.068309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320
observed 8aca8c59efc4b7d5bea930c2f42dfbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:25.046879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/manifest.json
observed 3957e4a987c30ccec94492ccb277962e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:25.030812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/publication.md
observed 14ea5a728588820f55203feab209df49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:24.987408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/publication.txt
observed e0c298733a1cd3305fc6f6cbb7506ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.929692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320
observed 8aca8c59efc4b7d5bea930c2f42dfbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.911095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/manifest.json
observed 3957e4a987c30ccec94492ccb277962e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.893296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/publication.md
observed 14ea5a728588820f55203feab209df49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.876480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079320/publication.txt
observed e0c298733a1cd3305fc6f6cbb7506ea6...
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.