OpenTechnical

OT-2026-000084529

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000084529) never changes.

Identity and time

Publication numberOT-2026-000084529 · never reused
Internal UUID01a0ae98-e25a-7c70-b29e-8412d23b9b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084529
StatusPUBLIC

Content hashes

Canonical textbbc6b2482cb6df4234994363de0f8bd261d5ea800cb19bd63f6d755289f8f77e
Markdownfc3fc4c72e265063babe4edcad02609cb695089fa0b631152208699427fae2f9
PDF
Publication page5d8e473c2b66d83132d295a4c0d1aa7a7190ad7fd28628f99e51a554a8022a79
Manifest2fb4242afb7b09f5cc197591caa00b903f2ba61b12c9669dee783c6b72c1764a

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
Signature6c9601E3dbnQ8nbEuLmr2vDPUwJ8sXt7on4p1k63XdLecJJisos1sfbLzWuw1XugWg3nHCogV99ovjmVKgKYDA==
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

2026-09-17T09:55:24.741596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084529
observed 5d8e473c2b66d83132d295a4c0d1aa7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.722692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084529/manifest.json
observed 2fb4242afb7b09f5cc197591caa00b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.704254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084529/publication.md
observed fc3fc4c72e265063babe4edcad02609c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.686516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084529/publication.txt
observed bbc6b2482cb6df4234994363de0f8bd2...
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.