OpenTechnical

OT-2026-000048059

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000048059) never changes.

Identity and time

Publication numberOT-2026-000048059 · never reused
Internal UUID01a0ae7f-c423-7b5d-a67e-e16d8a8fa810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048059
StatusPUBLIC

Content hashes

Canonical text85781f6b110a9dea62eab69d1b27c6caa87a990a4fc02767c0d10d27f7c11261
Markdown8f24ee751a73078ed521ba3e2c725fcedbd691679613447caad24f7fd3ceadd7
PDF
Publication page055dca3615deeb190583f73d2905163fb4972c45ce92dd205b30428ad665bda6
Manifest7bcb4acac7ecf53e0c997e125158e1e59762b0dff1e576f6020e4e6c7b641d64

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
Signatureh8VSCtBIPCeM42YSxMFrSGyqXWwxtKImKJWmwhHfpvehWvFdj4lQifYQTUnClt7roT993cdvWd2H7jN1BQlXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:04.192894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048059
observed 055dca3615deeb190583f73d2905163f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.173667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048059/manifest.json
observed 7bcb4acac7ecf53e0c997e125158e1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.155997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048059/publication.md
observed 8f24ee751a73078ed521ba3e2c725fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.138176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048059/publication.txt
observed 85781f6b110a9dea62eab69d1b27c6ca...
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.