OpenTechnical

OT-2026-000100257

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000100257) never changes.

Identity and time

Publication numberOT-2026-000100257 · never reused
Internal UUID01a0aea3-3053-7a31-a684-f1b0af2e164b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100257
StatusPUBLIC

Content hashes

Canonical textb57d245fb724afc9d0dcc74d7d3a18422bd41bc8ceebbb1ddb7aff47dd3265ad
Markdown9276fdb748cd3b727db80302e33b2b2229f874096aec6519314c1ff572dd0c71
PDF
Publication page79a14887a9b1aa9208dc9096d48d733c3eb7efd59a600cdb726f61312bb94624
Manifestc6d1aef3f8807b9b8e32129b9240cb2f5632982ea3bde90f13762d7058771025

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
Signature/KqTj92tIxfhB1l8Y8PJ0eYUbRKsftCCkwjvYwdg5NQdg4XxAHhC6aiEm5Y8yPIxt5QqnS5m4/BsU4ZI6IpACQ==
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

2026-09-17T09:30:03.690984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257
observed 79a14887a9b1aa9208dc9096d48d733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.674469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/manifest.json
observed c6d1aef3f8807b9b8e32129b9240cb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.657793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/publication.md
observed 9276fdb748cd3b727db80302e33b2b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.642020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/publication.txt
observed b57d245fb724afc9d0dcc74d7d3a1842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.357690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257
observed 79a14887a9b1aa9208dc9096d48d733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.339972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/manifest.json
observed c6d1aef3f8807b9b8e32129b9240cb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.321826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/publication.md
observed 9276fdb748cd3b727db80302e33b2b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.303602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100257/publication.txt
observed b57d245fb724afc9d0dcc74d7d3a1842...
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.