OpenTechnical

OT-2026-000033239

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033239) never changes.

Identity and time

Publication numberOT-2026-000033239 · never reused
Internal UUID01a0ae75-4845-76f5-bf03-bc90eae3be44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033239
StatusPUBLIC

Content hashes

Canonical text5d9ddda147b3985147f38187d295a3f4105c2f1648fe2329a0340fc430ec4d09
Markdown1ba0453891818ca0ef7b45c86b13c5b8efc75212f3f6f1ac2651d72a3e7e60dc
PDF
Publication pageb7704af52a391fdd75c77479d6a455477e8c382296c0b6972eb44f3524c4a417
Manifest9abf8a0c4bb2ad0cbe4e6a51376813c9cdf814d91be7140bb7ad26549a76b2ad

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
SignatureBiuWuxVxTkSKblMnpeqowbAiurLRIDOBznALrOTrOQy1AzNW/rWOpgxA+2+1nJw0pAsNQrdl0YVWodFT4bPfBg==
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

2026-09-17T11:32:56.835450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033239
observed b7704af52a391fdd75c77479d6a45547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.814740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033239/manifest.json
observed 9abf8a0c4bb2ad0cbe4e6a51376813c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.789383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033239/publication.md
observed 1ba0453891818ca0ef7b45c86b13c5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.771571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033239/publication.txt
observed 5d9ddda147b3985147f38187d295a3f4...
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.