OpenTechnical

OT-2026-000010893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000010893) never changes.

Identity and time

Publication numberOT-2026-000010893 · never reused
Internal UUID01a0ae6c-540d-7002-a75c-94a6984ced6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010893
StatusPUBLIC

Content hashes

Canonical text4ab7e377dcef7d1f6b5fdea04498051076815480e76b47f53b63474b5e55ccbc
Markdown378ba8cf7764f56ef308845f7afa68d8c078b7b041c733172a3b9bb38c2dbf8d
PDF
Publication pagec053d8381e7366b42f7442869c268245770a4ac0db4cb45499dae8aeb9a56b89
Manifestb92057baf60448b4eb73371665dea286096ed7369a3fb678aa5e60f65d02f5cc

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
SignatureOhbyUED15ez5K76R5OiZz5pTWnh7Fu/H3cfBhbM6oxe3//h36zSwFPRLLSMqvPdF0yQzWsuaG0BOTPNkWFP4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:39.729714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010893
observed c053d8381e7366b42f7442869c268245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.710551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010893/manifest.json
observed b92057baf60448b4eb73371665dea286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.689483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010893/publication.md
observed 378ba8cf7764f56ef308845f7afa68d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.672408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010893/publication.txt
observed 4ab7e377dcef7d1f6b5fdea044980510...
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.