OpenTechnical

OT-2026-000063657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000063657) never changes.

Identity and time

Publication numberOT-2026-000063657 · never reused
Internal UUID01a0ae8c-f946-73e6-af53-0085f8261e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063657
StatusPUBLIC

Content hashes

Canonical text2d6fdc43f7bdd00744e6b3f7e382fce210665ad1f2e5f90362c16359f08ec9a9
Markdown408ccfc4e9511401ec9ab62842852af3319594e426567a89c90b3a72d20b7dff
PDF
Publication page4c5e0d379b5957da866e885ee3a022e7d739ce81969b171762854099185a133d
Manifest693bc9b124bc344c29224ac5c4fc9646d55572a2d51b6381de2b3c3ddc0d1abb

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
Signatureo4Nu779au4mxG6Q+kVuliRdI3TFKqRsfmR2jIZnu+XjRhLPZNfqskZJC97B3cHowkDgAHnIKtNakmPrLPk5CBQ==
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

2026-09-17T10:37:45.948456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063657
observed 4c5e0d379b5957da866e885ee3a022e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.931683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063657/manifest.json
observed 693bc9b124bc344c29224ac5c4fc9646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.914552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063657/publication.md
observed 408ccfc4e9511401ec9ab62842852af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.898100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063657/publication.txt
observed 2d6fdc43f7bdd00744e6b3f7e382fce2...
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.