OpenTechnical

OT-2026-000035979

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035979) never changes.

Identity and time

Publication numberOT-2026-000035979 · never reused
Internal UUID01a0ae77-01cc-710d-aa72-fa97d38645d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035979
StatusPUBLIC

Content hashes

Canonical texte4c5336466d7ca73cc00ddeccaf718bc646eb65f6816144f0ede1a956f2ca3bd
Markdownc456dcd8f67da015a06a1c249df5dccf6dc75692ed2e84a3eeb3b4a2446c68bb
PDF
Publication page58a509ec504523f90691a680cc7e2a5463fef9019b3d2801d56a31f3d28ed3bb
Manifest55f3c9d13b98c56b3e051870f3d9f0007150f4674707186b0a9341356720b371

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
SignatureSjv6EQvgOZaZDhgErwP5kt6hUOoBZlAYVf24+yk6bycXmmQmLM46uRLACzLr3sqCKW2bZzelh6Y1i1/2/p61BA==
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

2026-09-17T11:26:08.223694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035979
observed 58a509ec504523f90691a680cc7e2a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.207275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035979/manifest.json
observed 55f3c9d13b98c56b3e051870f3d9f000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.189134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035979/publication.md
observed c456dcd8f67da015a06a1c249df5dccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.171988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035979/publication.txt
observed e4c5336466d7ca73cc00ddeccaf718bc...
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.