OpenTechnical

OT-2026-000012294

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000012294) never changes.

Identity and time

Publication numberOT-2026-000012294 · never reused
Internal UUID01a0ae6d-39f5-74df-8428-accb15ea2dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012294
StatusPUBLIC

Content hashes

Canonical text72f9271a86a29832667e3bce31ce8680931e62c342d6111d4ae2efd1841a8c1a
Markdownb3e2f868d833bf1f12b020555e0a6fed2aad7ffad1486c6f51710e5dc9779e1c
PDF
Publication page250218fa77f3e188ab04eb270c80c8c9474b3050eca0daeb30fa70bb003931f9
Manifest136432b7f6dbc48ee810af70b6bb12a8b00f9e44d60147f1fe5ad3a656af7191

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
SignatureOjlLJ4wr8qP7OEEXPHf59K6Ex5BFyoHsw5bWZa/LQknJy0/dwWXWdTJLKEQe1SZyJdg7CiMHSBu1Zz5CI7eoCg==
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

2026-09-17T12:11:14.188375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012294
observed 250218fa77f3e188ab04eb270c80c8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.168885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012294/manifest.json
observed 136432b7f6dbc48ee810af70b6bb12a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.151726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012294/publication.md
observed b3e2f868d833bf1f12b020555e0a6fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.134974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012294/publication.txt
observed 72f9271a86a29832667e3bce31ce8680...
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.