OpenTechnical

OT-2026-000032840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000032840) never changes.

Identity and time

Publication numberOT-2026-000032840 · never reused
Internal UUID01a0ae75-4842-7220-bc1f-a8a32af00330 · 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-2026-000032840
StatusPUBLIC

Content hashes

Canonical textf3b13429b21ba57fb3e93789c4d0f140517b5d0ea49ec9c05ea4e1f0f9e9315c
Markdowneeeb2e63cd1c961f3e2c204f041bb9bd3b71e4305df2a7effde97041492c04cc
PDF
Publication pagea5c9fa9e18c1bb6905ca60456a257273f8d380a177c9c28b83b577d2b46e96ba
Manifest965498402fb6408768d23f7e34de5d99c5218dce7e2045011cd3df540f3fc4ed

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
SignaturelF6qqDfjslDCtU/UaGIt9Uwdu6PWbLt7CtsWOx7sV5HeDeRt84LPsf84PIhvSym45M67zbyCgOASNxsTmM4RDA==
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

2026-09-17T11:32:18.027081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032840
observed a5c9fa9e18c1bb6905ca60456a257273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.009665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032840/manifest.json
observed 965498402fb6408768d23f7e34de5d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.989196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032840/publication.md
observed eeeb2e63cd1c961f3e2c204f041bb9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.967860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032840/publication.txt
observed f3b13429b21ba57fb3e93789c4d0f140...
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.