OpenTechnical

OT-2026-000030565

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000030565) never changes.

Identity and time

Publication numberOT-2026-000030565 · never reused
Internal UUID01a0ae73-e505-76b1-b2bb-4a184bbb2074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030565
StatusPUBLIC

Content hashes

Canonical textb47c016ac5a9b6dfb638193b5ebfe8a000b36ed1fbb2ecbb52a77dea488e602c
Markdown26295e51bd37021b57542d0bbd1714c9af0b14514f6cde2b4b706932099a1a2a
PDF
Publication page527b821f1e5c4cd30ef1b9aa9cb98430375ca6622c4ae635f9c5fc01322b6445
Manifest28ea84d083cf2f4d447ad7713d88016dbfac35ee082605bd1162ab05505956a8

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
SignaturefCwrOOr329xGabPOk7PpAXBUGjX6Lvni7QgDps/cTedwPzkizbbGzwg+YdR7baDQG95ND4bJMUNLzZQhrvm1BQ==
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

2026-09-17T11:38:26.241877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030565
observed 527b821f1e5c4cd30ef1b9aa9cb98430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.224433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030565/manifest.json
observed 28ea84d083cf2f4d447ad7713d88016d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.205407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030565/publication.md
observed 26295e51bd37021b57542d0bbd1714c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.186831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030565/publication.txt
observed b47c016ac5a9b6dfb638193b5ebfe8a0...
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.