OpenTechnical

OT-2026-000097729

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000097729) never changes.

Identity and time

Publication numberOT-2026-000097729 · never reused
Internal UUID01a0aea1-92f5-7681-b691-c23bc72cb6dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097729
StatusPUBLIC

Content hashes

Canonical text71f68ab5165d99cb7f199893116ee6a29893d80dd106e8e1afd534ad54bca7b6
Markdownedb6d909e258e05e43c59bd5bc5a9c666897656093d75bfa0e9b636fddd2045f
PDF
Publication page5ef20846e548f5013de30411aa1e31f09693b9c8ec74f43bdb6b7e385822f27e
Manifestff2113145c434f0b2e86051be6e38cf64b420ff4f648db21216c4e27895cb85e

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
SignaturelxknEkcn++aZbugpdFVf7KV3FPMYCkiMEVL6xTaDp2ymDxc57ttuVw4Azrjt/JNT9JDP25ourCQj7iqrPtuSCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:45.902965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097729
observed 5ef20846e548f5013de30411aa1e31f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.876770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097729/manifest.json
observed ff2113145c434f0b2e86051be6e38cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.844406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097729/publication.md
observed edb6d909e258e05e43c59bd5bc5a9c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.816370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097729/publication.txt
observed 71f68ab5165d99cb7f199893116ee6a2...
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.