OpenTechnical

OT-2026-000023967

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000023967) never changes.

Identity and time

Publication numberOT-2026-000023967 · never reused
Internal UUID01a0ae70-aed6-7254-a7a5-95b4dcada145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023967
StatusPUBLIC

Content hashes

Canonical text4fd024f6d24306032707a724eb5b9b05b785c65fac86ff683886dd58b669cce1
Markdown20405e1769fed50f0844023b0a3efccce8e930d4afa9ed9c76b80f3ff177b35d
PDF
Publication page4c7cdfb31e993aa45c2089598da47da2a4cacbc51b6db28462437e13ec98bf26
Manifesta73d1efd9c3faed4ea11c5757cdbc3ee4b10aadceb0ebb6cb90b98941c06fcbf

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
SignatureRyqltLIAGsfFI7hIaKxDfbXQkQnj2a+zryhc4bXw3TmggGruZ6T9XG7FPeojEeeTqJEHl0yCS6J4hJAb3tBnBA==
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

2026-09-17T11:50:43.591136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023967
observed 4c7cdfb31e993aa45c2089598da47da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.569816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023967/manifest.json
observed a73d1efd9c3faed4ea11c5757cdbc3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.552905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023967/publication.md
observed 20405e1769fed50f0844023b0a3efccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.536072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023967/publication.txt
observed 4fd024f6d24306032707a724eb5b9b05...
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.