OpenTechnical

OT-2026-000100459

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100459) never changes.

Identity and time

Publication numberOT-2026-000100459 · never reused
Internal UUID01a0aea3-66ef-7705-88f3-2414c3dc6a75 · 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-2026-000100459
StatusPUBLIC

Content hashes

Canonical text007698e45f8f2762b67d52946b73ba30e16991225f16964eab554e69105741cc
Markdown340c035697cce0b1da1964df2a1d1174de3c061d91dfe25145aeb774ffab4892
PDF
Publication pagec7ec2a38dc853f282d33f10ede4cc848a62b477dfca6a0dee0b6fd3fb9534017
Manifest5084960f309aa22b6633add003b9f2c5fc07179285fbc78d15739c4f1748294f

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
SignaturejhJExvs07xk9RQn7V0567GFK6woGgZf+mGuzcEmEfqVh4qeHJ0cqIrJxolwmKHBpTzVbLECuB7zEGXnF6YmrBA==
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

2026-09-17T09:27:12.486663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100459
observed c7ec2a38dc853f282d33f10ede4cc848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.468065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100459/manifest.json
observed 5084960f309aa22b6633add003b9f2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.448492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100459/publication.md
observed 340c035697cce0b1da1964df2a1d1174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.430488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100459/publication.txt
observed 007698e45f8f2762b67d52946b73ba30...
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.