OpenTechnical

OT-2026-000100379

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100379) never changes.

Identity and time

Publication numberOT-2026-000100379 · never reused
Internal UUID01a0aea3-66ee-751c-8aaf-6037eac473ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100379
StatusPUBLIC

Content hashes

Canonical text6fe352dbc1fd3bc98a6373211a5f5adcf9c29b17e8c66345012e9d18e0fa2241
Markdownab320469c47bb93f8f10dd2030529fd0999ce88d276bd5416bc42a14b2111766
PDF
Publication page5b8c87e56858db2ffe5a8a0579d983308aeb1a26e055d6f54a68d4a41d836509
Manifest38f1b946ae48a198ea7b09fda85c6aa3e656d63dab5e4ed5a5d52cd224199982

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
SignaturekJWmfCcmSp4oNrrQBHa4sKixod90NhrXENOVqVepLrtKV9Q1U2c9QYjd1vK70+4yshwYrutKLWAYLPuYVjZCCg==
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

2026-09-17T09:27:06.570923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100379
observed 5b8c87e56858db2ffe5a8a0579d98330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.554644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100379/manifest.json
observed 38f1b946ae48a198ea7b09fda85c6aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.536720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100379/publication.md
observed ab320469c47bb93f8f10dd2030529fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.518980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100379/publication.txt
observed 6fe352dbc1fd3bc98a6373211a5f5adc...
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.