OpenTechnical

OT-2026-000012808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000012808) never changes.

Identity and time

Publication numberOT-2026-000012808 · never reused
Internal UUID01a0ae6d-5563-7976-9d7c-b461e687ae1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012808
StatusPUBLIC

Content hashes

Canonical texte4999912b3afa73323a485db9d168329467d75cafeacc1844f7c442903dd77df
Markdown5cb99726148eec0168cf9c8facba199c6cf7bcf76d31c49e9c87763a9bef1a58
PDF
Publication pagecceb3487208a0b3bc6a10f7c96387f137e7f82d25fcb246706590c5686ca5205
Manifest550ea8a3549c1b0dc5bdcaaf271c8d823d7200656ddf28d7fd5efa7bce4b2e79

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
Signatureb5JZqHpsaOjMKG1taP4938Ii6Ql1D4ecUiYYkrtJITZMw6ju7pIDx1NNwx91NrOu7ay9ebUzvejYZg46Lz/FBg==
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

2026-09-17T12:10:32.287627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012808
observed cceb3487208a0b3bc6a10f7c96387f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.270014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012808/manifest.json
observed 550ea8a3549c1b0dc5bdcaaf271c8d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.251821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012808/publication.md
observed 5cb99726148eec0168cf9c8facba199c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.232044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012808/publication.txt
observed e4999912b3afa73323a485db9d168329...
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.