OpenTechnical

OT-2026-000017808

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000017808) never changes.

Identity and time

Publication numberOT-2026-000017808 · never reused
Internal UUID01a0ae6e-96fb-74c7-b7fb-7fbd26fbd398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017808
StatusPUBLIC

Content hashes

Canonical text974bd84ddb485e5bd82dc1623170804011a4d87d2935bea2def256ad39e94870
Markdownc6a4f0cb676231f1809cce757f4d126f634bf07d4244e7c3a685da27e65e2e2c
PDF
Publication page778516f4084c68f063b023128236e58cd7840eac63d85aed74caa66389637627
Manifest004c1a438dcf6dddc34cbc4c150708ad34a31117e827d5d528bd3abbf3dc23c6

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
SignaturelcVP5qe5S4TaAj1eW5lIBhk9h7NyEzuiyj/twI70nmysXKerGbtxq+7xVKnrFrsIdxVEJNf/texPMkFehJkGAw==
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

2026-09-17T12:01:46.623567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017808
observed 778516f4084c68f063b023128236e58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.605989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017808/manifest.json
observed 004c1a438dcf6dddc34cbc4c150708ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.589649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017808/publication.md
observed c6a4f0cb676231f1809cce757f4d126f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.572039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017808/publication.txt
observed 974bd84ddb485e5bd82dc16231708040...
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.