OpenTechnical

OT-2026-000059377

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059377) never changes.

Identity and time

Publication numberOT-2026-000059377 · never reused
Internal UUID01a0ae89-8615-7443-b370-9fceeb1ae2cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059377
StatusPUBLIC

Content hashes

Canonical text7b5a09c19f46670639901e25ea5814e960b2bf62477ed13cf31e03270cdba518
Markdowna3f0fdc6eb530743ba972035361d2201847deddf6fad27d74f785f5b7d1ea92e
PDF
Publication pagebc4a4cf626babe1d2132d5c5e464bdf6d48d8c3b95a376522476dbd3fc9565ac
Manifestbbadbc46ec23e9dc4148341fa7a77803c54eacddc5249c989c2158ae33821826

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
Signature2k+PGvF+XVABi4D3NDDJiEsA+QP8MQ8yWn6TfQD0QyHt2enAzPsYxfzeeqa5z2ZfrNyMjxRwbgSr70cuq33UCg==
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...

Independent retrieval

2026-09-17T10:46:02.849244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059377
observed bc4a4cf626babe1d2132d5c5e464bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:02.831101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059377/manifest.json
observed bbadbc46ec23e9dc4148341fa7a77803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:02.810952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059377/publication.md
observed a3f0fdc6eb530743ba972035361d2201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:02.793707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059377/publication.txt
observed 7b5a09c19f46670639901e25ea5814e9...
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.