OpenTechnical

OT-2026-000062391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000062391) never changes.

Identity and time

Publication numberOT-2026-000062391 · never reused
Internal UUID01a0ae8c-0abf-7cab-8986-fc7199abe8a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062391
StatusPUBLIC

Content hashes

Canonical text2dab42ea575740445a6c6a9a332440a8d34bb0ee1ef5d7325ad9be661b7e2ebf
Markdown42abcc74a41f27589c3fe9a9229d1f1cd3094f23eef08548e29cebd2b2fb4b93
PDF
Publication pagec30ba448b03c3d984d82fcfd1b4803d02eb532784fc307a231f551ba05c906d8
Manifest25bb1a0481aec9953e0d1c43000a1ac74ed165556077c1994289cee1a3c03490

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
Signature+oQolEmrexAnDADxMLmPAT39poCmXdUEDjIxJA8bbdaCnToeo5GcYLto7yO0yXUmKdjb69fE8ZZYFRvXfqD3Dg==
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

2026-09-17T10:39:42.892661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062391
observed c30ba448b03c3d984d82fcfd1b4803d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.874128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062391/manifest.json
observed 25bb1a0481aec9953e0d1c43000a1ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.854444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062391/publication.md
observed 42abcc74a41f27589c3fe9a9229d1f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.835502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062391/publication.txt
observed 2dab42ea575740445a6c6a9a332440a8...
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.