OpenTechnical

OT-2026-000095874

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095874) never changes.

Identity and time

Publication numberOT-2026-000095874 · never reused
Internal UUID01a0ae9f-fac7-707f-805f-458580f203cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095874
StatusPUBLIC

Content hashes

Canonical text55830de46ff054a128100fab7df8a5553a1c2722962e622b4fbc8622ec077b36
Markdown3ea2de7654b84f4dd5b96b4e1fcb0c21538939ae1d8e92e41c93eef32db92666
PDF
Publication page7cdb4ed25828008d95d2720b8144cd3ff85c89aa57bdaff90dff3cce1b3296a0
Manifest2e59cc071c0cd59af79ad3cea952569171bf7a3c025466b7f872fc1fd9d12c33

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
SignatureLEVWOj9SCa2Fae9NQC41S32nLZcsosi8e8hVySKzM6Gg+D4/zAkaT7cp0xAMS3lhFa1EHm2CFLxBLW+BfzX/Bg==
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

2026-09-17T09:35:03.489447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095874
observed 7cdb4ed25828008d95d2720b8144cd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.472965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095874/manifest.json
observed 2e59cc071c0cd59af79ad3cea9525691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.454725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095874/publication.md
observed 3ea2de7654b84f4dd5b96b4e1fcb0c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.435630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095874/publication.txt
observed 55830de46ff054a128100fab7df8a555...
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.