OpenTechnical

OT-2026-000009466

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000009466) never changes.

Identity and time

Publication numberOT-2026-000009466 · never reused
Internal UUID01a0ae6b-7562-7df3-af1d-820c410d6221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009466
StatusPUBLIC

Content hashes

Canonical text731e4e891e6c05f0589806afef8aa8dcc91fb1f519ac1914a81a7ea54a8d77ef
Markdownc69ccbb5812aaeec9c8db780e39ca3818a90a658f40df558e48e8b5f3767d2a2
PDF
Publication page516231b590ce363c3d7247d17cc470db950fc0c02273f829e635052038620910
Manifestb0d6ce54dda1cb911f4c831c4899d535dfe10d58dca0c9eb1c959e7d84f70fae

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
Signaturez7jSytI5QufQvICxrEjx85h7n+4wjVnO+vS/cYylFWHbqEZVC7MJdmJVbNNkx9LWE5Azfg+JDIx5VuAY8p0vBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:51.416542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009466
observed 516231b590ce363c3d7247d17cc470db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.397941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009466/manifest.json
observed b0d6ce54dda1cb911f4c831c4899d535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.379918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009466/publication.md
observed c69ccbb5812aaeec9c8db780e39ca381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.360983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009466/publication.txt
observed 731e4e891e6c05f0589806afef8aa8dc...
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.