OpenTechnical

OT-2026-000022613

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000022613) never changes.

Identity and time

Publication numberOT-2026-000022613 · never reused
Internal UUID01a0ae70-46e8-7b0a-9f30-a7853a058d4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022613
StatusPUBLIC

Content hashes

Canonical textae605035cd8aa174bd66c17bb6b1eab618fa4565a538391b6417e9d125e69f64
Markdown20a767bf5fd9bffbf6ecfdda878adfe0cf25c89c55917bf4a664fb8b569a6e21
PDF
Publication pagec1dda17171a2b5922931cfc6931abe10a6037cd1d70c99d0080f3eae205c4e00
Manifest8718e2cd932d44ffaebbe55115026449dfa67d4ec4608e660fc4b51f3160238c

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
SignaturePX6BdnmuSqskaoGTJyxjtZdqHDM7glrO6ZeL8p44BEOpqr++c9zDpda8wI+JaHFX9Z3aRX5m6ZokWUCDkxV7DA==
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

2026-09-17T11:51:59.048542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022613
observed c1dda17171a2b5922931cfc6931abe10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.029919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022613/manifest.json
observed 8718e2cd932d44ffaebbe55115026449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.012388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022613/publication.md
observed 20a767bf5fd9bffbf6ecfdda878adfe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.993794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022613/publication.txt
observed ae605035cd8aa174bd66c17bb6b1eab6...
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.