OpenTechnical

OT-2026-000097730

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-2026-000097730) never changes.

Identity and time

Publication numberOT-2026-000097730 · never reused
Internal UUID01a0aea1-92f5-7b63-be10-b5f78a73172a · 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-2026-000097730
StatusPUBLIC

Content hashes

Canonical text27da69f57566d85fede3f3efa097019f88a38a5c41193b470f25ca5c4299a244
Markdown09550e71921e70e85a7d8e262bdd966a3c9d7484a5c8b646d781ae8065cb135a
PDF
Publication page2552ae546e3d4ba112fc4c086ee0512cfda3e05af23d8ac6cb1af1410dc45181
Manifestf771829c8a7750598a6d55a042ffcc1e736f7b87e7610416054cd5069bfbc839

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
SignatureYuT1fMV31lYnn6kJdEv0Wxtd8IV5cQlde6dqwjT85Q8xM5AdNjeR2Q02WSVyP0DXMo6qLYbVx9X/ZEvR2EpNDg==
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

2026-09-17T09:32:46.007872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097730
observed 2552ae546e3d4ba112fc4c086ee0512c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.982580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097730/manifest.json
observed f771829c8a7750598a6d55a042ffcc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.957619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097730/publication.md
observed 09550e71921e70e85a7d8e262bdd966a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.931662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097730/publication.txt
observed 27da69f57566d85fede3f3efa097019f...
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.