OpenTechnical

OT-2026-000036239

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000036239) never changes.

Identity and time

Publication numberOT-2026-000036239 · never reused
Internal UUID01a0ae77-01cf-78a4-b327-47784483f231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036239
StatusPUBLIC

Content hashes

Canonical text5206b0b833c38413bb9992f15690089667ab1f278922ab22a4555ce3aac23514
Markdowncbda992f9d3240049d5ff020c3302f6f4b6fccdce5be914e66a20de5f748244e
PDF
Publication page21d814869ca1f916e5a27f2fb55be7093acec3140ad434ec0526b1988ef98749
Manifestccc96085f3913b7bb1367e3f263935f9c60db969b250b0bf5f958ffbe1c4c603

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
SignatureZsYOqwCZ2y3jRmCZmeK+xN6kl7p83UzB1BDGOY575c9EloBB1rb2FGRLXpbOmrRGYQaMZaqKkTbJxtmZA9gmAw==
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

2026-09-17T11:26:29.280726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036239
observed 21d814869ca1f916e5a27f2fb55be709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:29.260755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036239/manifest.json
observed ccc96085f3913b7bb1367e3f263935f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:29.240732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036239/publication.md
observed cbda992f9d3240049d5ff020c3302f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:29.221591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036239/publication.txt
observed 5206b0b833c38413bb9992f156900896...
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.