OpenTechnical

OT-2026-000014963

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000014963) never changes.

Identity and time

Publication numberOT-2026-000014963 · never reused
Internal UUID01a0ae6d-d096-7100-89aa-98a149357500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014963
StatusPUBLIC

Content hashes

Canonical text7c0bc69705a0f510a5afdcbdd720330df690764c553ab3265eb137e1fb1e7c44
Markdownee4ba8e5927bdd1bdd4c3191848f2e9877e7b1e8b3fb11c32133c48b893f01db
PDF
Publication page6b8918e5c92d1f4e9ea7af388cba4985fc692564698626eb86b790d11b7bce78
Manifeste1788e0b9db03f32e7a44636fd0de796d0a4e9dfe9e2ccd7735fa9973c75a365

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
SignaturefJWCr4l2OJERP5kxQdsANzJCWOD9kd75NsQUEapggI9V9aZOcJORsX2aLe+pcD+BAgP6Wgox3YLmoyf3Zw2fCQ==
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

2026-09-17T12:06:55.034813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014963
observed 6b8918e5c92d1f4e9ea7af388cba4985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.015198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014963/manifest.json
observed e1788e0b9db03f32e7a44636fd0de796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.996673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014963/publication.md
observed ee4ba8e5927bdd1bdd4c3191848f2e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.979035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014963/publication.txt
observed 7c0bc69705a0f510a5afdcbdd720330d...
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.