OpenTechnical

OT-2026-000087856

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000087856) never changes.

Identity and time

Publication numberOT-2026-000087856 · never reused
Internal UUID01a0ae9b-1aa5-7e0e-96f4-de8ade0fddce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087856
StatusPUBLIC

Content hashes

Canonical text4bcbc3685e5abd84325795681a6eaf1f03b54d236a1a7a1b29f7263198905721
Markdowna5ea27eb121a9fb7b4c890eb4160f857a10245455a4ee7e85e70df07294b9264
PDF
Publication page7b0235f1f51f089c4fbb5bbb253cda5fad491fae3e7277c593c1a7afbf64ebee
Manifest604596d8ae04d007adaba4ddcd9d931aec801fdc6ecc6ea3e28205a06831750f

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
Signature2Ef+I/f9bIC0+1v1+q7fb6rBgl+TUL57Doku3jlALGdRTiJq9duoTT2WhehC8189h/NSZTxg/nvj2fFQbc0zBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:06.257447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087856
observed 7b0235f1f51f089c4fbb5bbb253cda5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.234548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087856/manifest.json
observed 604596d8ae04d007adaba4ddcd9d931a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.214271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087856/publication.md
observed a5ea27eb121a9fb7b4c890eb4160f857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.195616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087856/publication.txt
observed 4bcbc3685e5abd84325795681a6eaf1f...
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.