OpenTechnical

OT-2026-000100501

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000100501) never changes.

Identity and time

Publication numberOT-2026-000100501 · never reused
Internal UUID01a0aea3-66f0-7d82-91e3-9429e2828af7 · 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-2026-000100501
StatusPUBLIC

Content hashes

Canonical text375818d36f296cb40309e009514d29ccf9f7be2e15a986bd7d84e7d3473a4c6b
Markdown9e05585b0d5ee4c70969fc834914500562503bf59bf1823db419a519f4e1873b
PDF
Publication pagee2611e66d80ee2f2f83235ac827cfb5f18f083f955f53d0955bae262f09a4f39
Manifest7a41d45a87367c597d0cff408ea8e608b03d6f2e44ffee1f57b2d532ad805e3e

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
SignatureqDePdA3MjmY4hnXryVlfWfYroFJdlLgFyKLUHD4ctNOKkEJ39E+AhrYt0HnHAeo8Oxext7Np6ltan99t587qCg==
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

2026-09-17T09:27:15.919371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100501
observed e2611e66d80ee2f2f83235ac827cfb5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.903714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100501/manifest.json
observed 7a41d45a87367c597d0cff408ea8e608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.887858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100501/publication.md
observed 9e05585b0d5ee4c70969fc8349145005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.871138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100501/publication.txt
observed 375818d36f296cb40309e009514d29cc...
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.