OpenTechnical

OT-2026-000020549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000020549) never changes.

Identity and time

Publication numberOT-2026-000020549 · never reused
Internal UUID01a0ae6f-437c-7078-8d3a-0269b7057972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020549
StatusPUBLIC

Content hashes

Canonical text3f838033b1056753840f37aa94631564d29f9831ccef3aae5f619c43975e1bfa
Markdownce340ea2a21e397a7633ce6912ae0fb399087c25df323d486d563c788a8ad5f7
PDF
Publication page2f1eda7704e15294559c610b0d04f1747afccce96209a52cd2e296f74498a1f6
Manifest127d265b34ada532dc193ba51dd694b03262490c020466cc36ceb1b1c7439dea

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
Signaturei79fR2RcoxuAhIQcMaxjTbNWVys2Fdaq4hxsiVNKxwRNbPrMglajAI85S7HVEAjwizO88b73JBYA8bfmsn4zBQ==
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

2026-09-17T12:00:32.137606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549
observed 2f1eda7704e15294559c610b0d04f174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.116057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/manifest.json
observed 127d265b34ada532dc193ba51dd694b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.099584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/publication.md
observed ce340ea2a21e397a7633ce6912ae0fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.079995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/publication.txt
observed 3f838033b1056753840f37aa94631564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.740469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549
observed 2f1eda7704e15294559c610b0d04f174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.721196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/manifest.json
observed 127d265b34ada532dc193ba51dd694b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.699795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/publication.md
observed ce340ea2a21e397a7633ce6912ae0fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.681733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020549/publication.txt
observed 3f838033b1056753840f37aa94631564...
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.