OpenTechnical

OT-2026-000080542

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080542) never changes.

Identity and time

Publication numberOT-2026-000080542 · never reused
Internal UUID01a0ae96-7e79-73ce-9be1-7ffd1aa666b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080542
StatusPUBLIC

Content hashes

Canonical text63cef0a6dd4a3cd30fa20c613699bfc9939b3d4e81db9d343207eed244074afc
Markdownf1e197c818ac2d6df1ab3f1f0b810512d5c166e527ac5b96a4df4a285c8a6d13
PDF
Publication page01251065259dbf22f17c8d2ca00f70ce0334faae1b003448d7b2fb76ceaab8c7
Manifest1e5116aa32f93ef79d4b06a06c374896149443c36705032681b8552bec5f70a5

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
SignatureuTpsdx/YBuPqxvbwvEwTnkV5ZDPN8yLI/1atKbQBFC01rJgYgvuPDbvJ1xukOCftDcMw8YfCKfCfFIMsyQD8BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:09.947056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080542
observed 01251065259dbf22f17c8d2ca00f70ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:09.927189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080542/manifest.json
observed 1e5116aa32f93ef79d4b06a06c374896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:09.906947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080542/publication.md
observed f1e197c818ac2d6df1ab3f1f0b810512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:09.887210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080542/publication.txt
observed 63cef0a6dd4a3cd30fa20c613699bfc9...
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.