OpenTechnical

OT-2026-000039955

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line 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-2026-000039955) never changes.

Identity and time

Publication numberOT-2026-000039955 · never reused
Internal UUID01a0ae78-d8d7-7151-be6b-a90ab2271b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039955
StatusPUBLIC

Content hashes

Canonical textd26e295bfe733108d964848726dd2fd22000b3cdb74f3d4781ab28c04a9c64c1
Markdowna79c42a68e0664aed009b1c57613e9e5c908c55590c6527771580a1c5d1d4a2c
PDF
Publication page1b2391a54272fce43a08c6b2ff0ca074148845960e61bc11de576a50fe075903
Manifestba98af2f3f9d38b8417d47550488f0102f84664f7aab520d0bef2401019e2c55

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
Signature2log9NZH1TsZxoQ95KcDbagIegw8R1pKOC4s2mMIjF4NVsazOjibVb9W54QbWBkRkGZL6ApLY3/Tz9OwkNMrDg==
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

2026-09-17T11:20:15.685910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039955
observed 1b2391a54272fce43a08c6b2ff0ca074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.668728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039955/manifest.json
observed ba98af2f3f9d38b8417d47550488f010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.650264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039955/publication.md
observed a79c42a68e0664aed009b1c57613e9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.618651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039955/publication.txt
observed d26e295bfe733108d964848726dd2fd2...
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.