OpenTechnical

OT-2026-000025424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000025424) never changes.

Identity and time

Publication numberOT-2026-000025424 · never reused
Internal UUID01a0ae71-5fa7-739e-8750-4f60aa91ccb2 · 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-2026-000025424
StatusPUBLIC

Content hashes

Canonical text2360777790ecb9bdc13ea54cd874eb87fc5f8d771c4c35eccec31679bcd91a29
Markdown7b979a238f1f6ad234b1c2a6112415ecdc3fa0db26ed99e18e83951440e102f2
PDF
Publication page7a22537791d5be4852803893385fc81b093155bb66d0235548f42e12e354af10
Manifestdcb107f468837d63901c6250fa0b93330e0aaa95855c9f391b88387d9b3c9d56

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
SignaturesuBvC1UIAvjtOFFfFEkIwGb2h368o2yFUDmXuydz6eeI4FHu1TxCyWvu9tQU/McS0RdyVYtSWj2ruEgZZ7CYCQ==
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

2026-09-17T11:47:30.070560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025424
observed 7a22537791d5be4852803893385fc81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.052416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025424/manifest.json
observed dcb107f468837d63901c6250fa0b9333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.031983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025424/publication.md
observed 7b979a238f1f6ad234b1c2a6112415ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.009146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025424/publication.txt
observed 2360777790ecb9bdc13ea54cd874eb87...
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.