OpenTechnical

OT-2026-000030143

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000030143) never changes.

Identity and time

Publication numberOT-2026-000030143 · never reused
Internal UUID01a0ae73-e4ff-77b4-b22b-ee179c3e46fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030143
StatusPUBLIC

Content hashes

Canonical text923c247819fce75a36713cef7466617bf3ec761a142fd5454f86a910d971782e
Markdownbd739e6266cafcaa405efefc5b9d4976be774b7512bfdecb31476aebd6efe54e
PDF
Publication page648dc04f067e170c8f353d2b2776203a625b4ac8e73beced739ff43ddb6efdf3
Manifestf129e6576f1a387563e993d5e685a1ed3db9e34836cf7b5595598bc2510222e5

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
SignatureMG9EFk2uVBMjbihkYZVBG+VcOiirVpj63KLzMbbtbjSyewWFzLj2tAdDkxOxMxvfoxr5/6Koe4/6VWxb14hYAw==
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

2026-09-17T11:40:23.193233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143
observed 648dc04f067e170c8f353d2b2776203a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.177186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/manifest.json
observed f129e6576f1a387563e993d5e685a1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.156936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/publication.md
observed bd739e6266cafcaa405efefc5b9d4976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.135550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/publication.txt
observed 923c247819fce75a36713cef7466617b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.161612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143
observed 648dc04f067e170c8f353d2b2776203a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.142062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/manifest.json
observed f129e6576f1a387563e993d5e685a1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.124150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/publication.md
observed bd739e6266cafcaa405efefc5b9d4976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.108631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030143/publication.txt
observed 923c247819fce75a36713cef7466617b...
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.