OpenTechnical

OT-2026-000056573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000056573) never changes.

Identity and time

Publication numberOT-2026-000056573 · never reused
Internal UUID01a0ae87-7af5-7ff5-b4f9-24f1ebf52a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056573
StatusPUBLIC

Content hashes

Canonical text35ebc283c4c5e0a3b3c1f2d2efb053b264da4768e624722417e510543cd890fd
Markdownd0765e2a3b2b9f7335ea1edf03ebce1ed536463a615e1ce9f12207020facbf5f
PDF
Publication page3585cf6249e7149e968e9ea001791d0f0ea734461d09379ebfb1f12f91ba6754
Manifest4f0ac17145f161b1723860858a49dea9baa7e94644dcbdbee9aa981114b815ec

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
SignatureVbw6Cb3uOnOAUDMvQCSo6rgrY9yIrWgkiDS9iNYk1+1RlF3Pxolz5/YcNlslIfGJOllcHHMfs9wEcBv07l+CBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:54.816405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056573
observed 3585cf6249e7149e968e9ea001791d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.796841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056573/manifest.json
observed 4f0ac17145f161b1723860858a49dea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.778632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056573/publication.md
observed d0765e2a3b2b9f7335ea1edf03ebce1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.761203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056573/publication.txt
observed 35ebc283c4c5e0a3b3c1f2d2efb053b2...
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.