OpenTechnical

OT-2026-000022381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000022381) never changes.

Identity and time

Publication numberOT-2026-000022381 · never reused
Internal UUID01a0ae6f-f4fd-70b5-b858-0964b7be3b45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022381
StatusPUBLIC

Content hashes

Canonical text488552cc24d27bd5e6eb086d51d5ba619d229f591103bb33c06d39819e604719
Markdown4a6b13d757c9baac547649368411b2c9a48cc9a777b0eb2666cb6e48453ad1e3
PDF
Publication pagebbd5f6646bb39e7e86b3aae14b62907efa7950d5e665a8e5ebaddb2c189a1280
Manifest3fb47c1e74b4efffc4cdecd9e7ebd45d70515d46fa90af17f287c0729009b35b

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
SignatureY8nujUgMCZWvhUB/N9O1hQP/jZfWgdtBudpqnLPw+9GOHUb84mKZDVTjYG+GBGdjmbEQSirPu6RStiBaEa33DQ==
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

2026-09-17T11:53:45.414041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022381
observed bbd5f6646bb39e7e86b3aae14b62907e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.396391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022381/manifest.json
observed 3fb47c1e74b4efffc4cdecd9e7ebd45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.379459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022381/publication.md
observed 4a6b13d757c9baac547649368411b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.360715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022381/publication.txt
observed 488552cc24d27bd5e6eb086d51d5ba61...
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.