OpenTechnical

OT-2026-000078661

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078661) never changes.

Identity and time

Publication numberOT-2026-000078661 · never reused
Internal UUID01a0ae95-7c2a-7057-87c0-2f4091f0a40d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078661
StatusPUBLIC

Content hashes

Canonical textc85099a56f677c40f171f380f795af92556057c28cd3b7a753f0d1ab3a674d68
Markdown357ae368ae0a800c1e297ce6d427dcc9ee429877942c14d46f910b6fa09450ef
PDF
Publication page180cc55c4065c06ab23df8362bb7946f852d1b4a9597ea9f90c918b5cb68b479
Manifestbcaf3229ed1e0a6d039fab9dccf6f99510266e43ad3c7b3eddfd2281c29395b0

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
SignatureBrX9tOu0oL3GjWbn6RCVjGgzVOGOey/Y+eqvSlFUICVpap3YQAB7Va6bRHdNDRHcvkeQAN7U8AeFpJVwa//OBg==
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

2026-09-17T10:06:42.552647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078661
observed 180cc55c4065c06ab23df8362bb7946f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.533108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078661/manifest.json
observed bcaf3229ed1e0a6d039fab9dccf6f995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.514458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078661/publication.md
observed 357ae368ae0a800c1e297ce6d427dcc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.497491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078661/publication.txt
observed c85099a56f677c40f171f380f795af92...
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.