OpenTechnical

OT-2026-000023412

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000023412) never changes.

Identity and time

Publication numberOT-2026-000023412 · never reused
Internal UUID01a0ae70-7268-782e-a2d7-8bb6f70570c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023412
StatusPUBLIC

Content hashes

Canonical texte5f3dc918585d15c5dcc0f6e03898060919cf1d13f1735f2faaddb39d6f5d666
Markdownbc35d702b900bebe91b6fd2ed8739ae7ce61f1ac62f4c93c8b22e8be8134c39c
PDF
Publication page70fae13f158fc79cc1b6b24865ed7305b5393c15654bc2266f2aee1c909d66eb
Manifestdb819cb726953d52c176713df4c03d2134acb6a452b69b55ed71166c55e349ce

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
Signature05qNweF8JJoUBfPXwVbpldy+HcuOOeq76lc/3pFIEMGmrIXJh0duFm7w3ScKsuRRsAxBoQFT0k/0zkIyd+pcBg==
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

2026-09-17T11:51:37.175176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023412
observed 70fae13f158fc79cc1b6b24865ed7305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.158019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023412/manifest.json
observed db819cb726953d52c176713df4c03d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.135607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023412/publication.md
observed bc35d702b900bebe91b6fd2ed8739ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.117541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023412/publication.txt
observed e5f3dc918585d15c5dcc0f6e03898060...
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.