OpenTechnical

OT-2026-000025347

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000025347) never changes.

Identity and time

Publication numberOT-2026-000025347 · never reused
Internal UUID01a0ae71-5fa7-7db4-a7e3-8dc355abe1dd · 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-2026-000025347
StatusPUBLIC

Content hashes

Canonical text5a08883f9c7e924e334a6f6c5d7fa545c09baa35810256e6cb52b705e75388de
Markdown35819dc292abe9d06afe645f5526adba0ba314fb404daf7fd6e040f9fe3f1429
PDF
Publication page1bd5a1a88e025beedfbba4f73c486b044f26092c359d348ec25ac368eb9613c9
Manifest98046f9c1863ce92063ab363339abf9a1ebe4c7198e1ae06fa402be49b4d3331

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
Signaturevuwq0fI6W6eb5ueXX3MnCaTTmPvbiaFuNuF2HZVQDh59E7BwlXkn41KEnILhu60rL8MMHtMSbqiOErNWXvQ5Bg==
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

2026-09-17T11:47:23.812746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025347
observed 1bd5a1a88e025beedfbba4f73c486b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.793800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025347/manifest.json
observed 98046f9c1863ce92063ab363339abf9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.773900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025347/publication.md
observed 35819dc292abe9d06afe645f5526adba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.746936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025347/publication.txt
observed 5a08883f9c7e924e334a6f6c5d7fa545...
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.