OpenTechnical

OT-2026-000093902

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093902) never changes.

Identity and time

Publication numberOT-2026-000093902 · never reused
Internal UUID01a0ae9e-92c8-76ce-b68b-a1cf18360f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093902
StatusPUBLIC

Content hashes

Canonical text24423b4e485546e7d215149dfa2fdb0ce4e025ccbdc664c75d00092f52e0ea8a
Markdown6e54c30a36b5748d2db68b477f10fc84f4aef8c856141d37c7a4ded7719ef650
PDF
Publication paged24d75d7cc1f9afc198240949bead2dc830edcb128b8e649b313928557652a48
Manifest717fab86bd5224c58523266bda41acbba6a539ec14e5b918643d7b579e9cedae

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
SignatureDzxcjQ5gYn7K0w1o6fEb77JWaluW4kv5K21lJEPeMUqs3aYJ0N9rfC8bSX91XuXCMaHz9DyosUM7vj1ttcJCAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:10.176596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093902
observed d24d75d7cc1f9afc198240949bead2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.159435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093902/manifest.json
observed 717fab86bd5224c58523266bda41acbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.140688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093902/publication.md
observed 6e54c30a36b5748d2db68b477f10fc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.122618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093902/publication.txt
observed 24423b4e485546e7d215149dfa2fdb0c...
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.