OpenTechnical

OT-2026-000017379

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017379) never changes.

Identity and time

Publication numberOT-2026-000017379 · never reused
Internal UUID01a0ae6e-76c9-79e2-b31d-87ccc6df6603 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017379
StatusPUBLIC

Content hashes

Canonical text490456f3a260fca719169a8c2d8bc7e1f2fe6a4c70282ebb1e3026bd2cab1dbd
Markdownb19ea84d5735199d734dcb0de25b10c69d75ff1d56b5129e36f4c58bce8d9513
PDF
Publication page2509d1cd46b86214bfdbc30d5048fdb6fd8121da2b007c137e3751a4772d10a6
Manifestfe5cf732dbfc9a8f88f27ee0c7528d49feefda2923ac5d6d5c1479dacc702a6e

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
SignaturevYWB9H9ZV/f0KwFJyq1AQIGOngHaDJHZplgCRtSL/0b1Pzv89T2igr2zoHy5+8MT85r1VRIpl+eLpHNo4VufCA==
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

2026-09-17T12:02:30.001942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017379
observed 2509d1cd46b86214bfdbc30d5048fdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.983847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017379/manifest.json
observed fe5cf732dbfc9a8f88f27ee0c7528d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.968012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017379/publication.md
observed b19ea84d5735199d734dcb0de25b10c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.949706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017379/publication.txt
observed 490456f3a260fca719169a8c2d8bc7e1...
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.