OpenTechnical

OT-2026-000065159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000065159) never changes.

Identity and time

Publication numberOT-2026-000065159 · never reused
Internal UUID01a0ae8e-1df9-7aa7-b580-527688680d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065159
StatusPUBLIC

Content hashes

Canonical textf94122d2d8023ba6636cf5883922257402cedbd4719c445e5b569ab5a71ad0f9
Markdownd7e238f5d40e924dd6fcd4ffacabc46ce7e8a0bff96912b4738fdef7a14276df
PDF
Publication page4ddb784febbf38ce83e0a8b129d87de87444498d7fc9b2533bfb446396ff1bce
Manifest8ac6380eb976c858e8850087b91ef64032d4f26b2020dd4ea012aeba833f3868

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
SignaturexNj8LdrcsI78/8ab/pAKWrHZn5wpuKagAoTSFJt9uCpGBpj4oTsFfzU8152j8LeUHAIVkzvZEWJ7+b/UvKP4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:59.849414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065159
observed 4ddb784febbf38ce83e0a8b129d87de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.832768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065159/manifest.json
observed 8ac6380eb976c858e8850087b91ef640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.816012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065159/publication.md
observed d7e238f5d40e924dd6fcd4ffacabc46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.797350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065159/publication.txt
observed f94122d2d8023ba6636cf58839222574...
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.