OpenTechnical

OT-2026-000031765

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000031765) never changes.

Identity and time

Publication numberOT-2026-000031765 · never reused
Internal UUID01a0ae74-bad0-7236-b522-e103caf10c28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031765
StatusPUBLIC

Content hashes

Canonical textd50da42c99793c141023101e7827a3edec360eae4a23c7563f934e44f5788264
Markdown33057ff089e11b83d43764c67581c889c1f4509361105e86906bc38df0d0c67f
PDF
Publication page6912d27f74a05c8c3865d4dc83b99e19c1c7d65935f74146359802701265d517
Manifest9ad0ae1c67b13ec1740b75559d4af8c6dda09f368b29681ad0fe6559cf42e970

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
Signaturewae7ZUt1k4Lo23Vy1guHF9lVi4Erb0ZR9qi7E78A0ZMz/8dVgbpoRRSAL4jmPMYfNN6YNwFNX3Hl2TDm6Z/hCw==
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

2026-09-17T11:34:53.354882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031765
observed 6912d27f74a05c8c3865d4dc83b99e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.339136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031765/manifest.json
observed 9ad0ae1c67b13ec1740b75559d4af8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.322870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031765/publication.md
observed 33057ff089e11b83d43764c67581c889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.306673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031765/publication.txt
observed d50da42c99793c141023101e7827a3ed...
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.