OpenTechnical

OT-2026-000097749

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097749) never changes.

Identity and time

Publication numberOT-2026-000097749 · never reused
Internal UUID01a0aea1-92f5-787b-a08b-6cc3124f0dd0 · 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-2026-000097749
StatusPUBLIC

Content hashes

Canonical textc8972f29a1642ff39fd772e6eecd447320e43ad0e382befee167b5d276adec60
Markdown9bed021ab354487169aa4e93c8e42056f0e7203f23e1ee4211cc21c34351f6ae
PDF
Publication page8eb63dcc7d7a5b492ab3a75702c5d4c9a6c6304eb5b48f2fcb41d3783076c78c
Manifest94d2b7e0182e6b0ab973ba5d41999dc35e32f12f51bcf4985d7fd07cf99bdabd

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
SignatureCMgxUfh3latMv8x8BUJRHbk1wutC/S9/gheaJOFJx7QGEWVbsNTv4nqrCypiP/lyAKShikSBLrNMAQQePNrNCw==
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

2026-09-17T09:32:48.429488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097749
observed 8eb63dcc7d7a5b492ab3a75702c5d4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.397263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097749/manifest.json
observed 94d2b7e0182e6b0ab973ba5d41999dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.374541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097749/publication.md
observed 9bed021ab354487169aa4e93c8e42056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.344725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097749/publication.txt
observed c8972f29a1642ff39fd772e6eecd4473...
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.