OpenTechnical

OT-2026-000025415

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000025415) never changes.

Identity and time

Publication numberOT-2026-000025415 · never reused
Internal UUID01a0ae71-5fa7-7ba3-86a6-619e238559ba · 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-2026-000025415
StatusPUBLIC

Content hashes

Canonical textfb99c9e530d8183bd3f62f69cdf7bbf97913bacd601dddc65660488aafc96a96
Markdowne969aada158a97c1c20649343ad52d023db1541e7ca2b224e1537d81c39912af
PDF
Publication pagec44f4a54e7f42c4e39c3ff0a89e163e03b3f51d10631ea07d8546d6582507627
Manifestcb51d0c3e60bb90fecdecc7385304f118612d7aafee15183e9d8c3feedc38538

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
SignaturewIRevTjSkaH8d2+qcslHp7TTt2ArTMmh/xLrwlixU0I4QfhuHfRIOstQjSpgHMK4s9I0Fc3feyW4S57ctTw6Aw==
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

2026-09-17T11:47:29.347324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025415
observed c44f4a54e7f42c4e39c3ff0a89e163e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.329729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025415/manifest.json
observed cb51d0c3e60bb90fecdecc7385304f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.312532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025415/publication.md
observed e969aada158a97c1c20649343ad52d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.294901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025415/publication.txt
observed fb99c9e530d8183bd3f62f69cdf7bbf9...
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.