OpenTechnical

OT-2026-000025444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000025444) never changes.

Identity and time

Publication numberOT-2026-000025444 · never reused
Internal UUID01a0ae71-5fa7-7a6e-bbf8-238cee6250b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025444
StatusPUBLIC

Content hashes

Canonical text57745aa72720ca756a6f534525e66b414ad1df4090b54284133b94d3d4439c2d
Markdownec3230f4b195fbc68a049015fa336a816c8d2ff34bb3ac6618f0f013f561830e
PDF
Publication page8b10c650f852c47449e3da1975608524e99b6b8364b86f3eed10bdb4746025c6
Manifesteb4e6e16232d5d4f8db882f4af026c73bbfa90e53aee0cd3c1f7c969bceb26c6

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
Signature9g70N4B6u1+2IQOP1th5aDLDrjDnPwgvoDpCiSBY1QtQDv0syNRSVSATfGjP/l+brKOBXzGoIfBf0tyl1rz5Bw==
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

2026-09-17T11:47:31.519559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025444
observed 8b10c650f852c47449e3da1975608524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.502141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025444/manifest.json
observed eb4e6e16232d5d4f8db882f4af026c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.484839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025444/publication.md
observed ec3230f4b195fbc68a049015fa336a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.466377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025444/publication.txt
observed 57745aa72720ca756a6f534525e66b41...
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.