OpenTechnical

OT-2026-000075516

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000075516) never changes.

Identity and time

Publication numberOT-2026-000075516 · never reused
Internal UUID01a0ae93-f202-7338-9f6a-2efff06cbe49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075516
StatusPUBLIC

Content hashes

Canonical text7b47c568e0bd55c73d02f30daf42c1cad8b112ab3e8ab6fe0e5ca910791c7b3d
Markdowne44f45a72f9a9095dde122cd1d5e994d3d653e27530811dfc845ee7cf682ca19
PDF
Publication pagece58eae715e311be6ccda2d0aaac23cd15519882f20fecdc51913f575098e431
Manifest7f43658a0609ec50bc3a01f5227d2191c2cc68d30f17cbb68c2615871d905a5c

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
SignaturehJhcwVfH/JKm4dLfHBQWbWsjW2V/htVYd3rEd9I+shi73iWWkwn3QtytZcLYfxRfQCwd/kKRAP0crUau5s4JCQ==
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

2026-09-17T10:17:58.205103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075516
observed ce58eae715e311be6ccda2d0aaac23cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.014080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075516/manifest.json
observed 7f43658a0609ec50bc3a01f5227d2191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:57.994655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075516/publication.md
observed e44f45a72f9a9095dde122cd1d5e994d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:57.975178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075516/publication.txt
observed 7b47c568e0bd55c73d02f30daf42c1ca...
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.