OpenTechnical

OT-2026-000014485

Publication integrity record

Four cup vacuum gripper, 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-2026-000014485) never changes.

Identity and time

Publication numberOT-2026-000014485 · never reused
Internal UUID01a0ae6d-b27b-7321-a5a3-2da5ef1159cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014485
StatusPUBLIC

Content hashes

Canonical text3da75744716bae53095e667b4dd9f57f5a211fd0774b4668eb749eff7d799e1f
Markdown3c106a28dea29107e8650f402029e7e5f18fc4c4ffe01cf8062da551aa6a6ca5
PDF
Publication pageb7db195a109544a2bb04f1f62c44f6affff99e99287e458657e13b89d90e6680
Manifest8f2685fd488588787d2fa2d50c316d462bdef26c8dae12a4d80b6bb9b1bfdff6

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
Signature7Vo/me2gzQZnVxbsce5GBKi/zs9I6VuPmIeeTVBFTtI9Rf2lCV9D6BGqx6RmCk4uDYhtpkv3bxNHZU6SqGBIBA==
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

2026-09-17T12:10:18.440497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485
observed b7db195a109544a2bb04f1f62c44f6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.420257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/manifest.json
observed 8f2685fd488588787d2fa2d50c316d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.397826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/publication.md
observed 3c106a28dea29107e8650f402029e7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.376937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/publication.txt
observed 3da75744716bae53095e667b4dd9f57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.180006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485
observed b7db195a109544a2bb04f1f62c44f6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.162776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/manifest.json
observed 8f2685fd488588787d2fa2d50c316d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.145197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/publication.md
observed 3c106a28dea29107e8650f402029e7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.130957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014485/publication.txt
observed 3da75744716bae53095e667b4dd9f57f...
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.