OpenTechnical

OT-2026-000036947

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000036947) never changes.

Identity and time

Publication numberOT-2026-000036947 · never reused
Internal UUID01a0ae77-773f-7847-ab33-f777e132f219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036947
StatusPUBLIC

Content hashes

Canonical texte9c47e0bb21b6826db2262a2d674b5bbb7613b7b3bfdc9c80d029d1f5168ebb5
Markdowna9f5c63ac30e9dc497a59c417ea2409295059e17004e2313527c5805ba625b57
PDF
Publication page02b54bdc387cb2cfc1fdb16d57792c180eae7b2df5a02d0dee682fa6763ddd7a
Manifest8b4d85ff777242c63cd64445feddd708983d0ecdfdcd07dae0b31da08473c725

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
SignatureS7jIqGY13ht/eDixXHSs3KfKOc2rBbCujgI5t93RWTtaxy1F+ZtABs51OxFibJROMPg+EfrBMfOI2su7I9eFBg==
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

2026-09-17T11:24:35.917234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036947
observed 02b54bdc387cb2cfc1fdb16d57792c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.899430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036947/manifest.json
observed 8b4d85ff777242c63cd64445feddd708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.883314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036947/publication.md
observed a9f5c63ac30e9dc497a59c417ea24092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.853143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036947/publication.txt
observed e9c47e0bb21b6826db2262a2d674b5bb...
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.