OpenTechnical

OT-2026-000095233

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095233) never changes.

Identity and time

Publication numberOT-2026-000095233 · never reused
Internal UUID01a0ae9f-8f70-70b8-8252-60c75cf5c30c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095233
StatusPUBLIC

Content hashes

Canonical text35a0b50158c9abf2516063dee62d930e5b99258a262cf15843d57588c44854cd
Markdown42973fa7a423bf7d89944c35407963192bc5a68657cd9232d68b5d21fda7d931
PDF
Publication page4cee2b578453d441bf1f7dde6a5ef3737ca0be5909deb94d35cc0d0bd07ed8fc
Manifestd857f840e942f43a35bc7dfc787d05f01608ce687b95d2eff891ef66411065fe

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
SignatureeKJRky8Zxuwk0sDTyW8C+U6Jb4TSh0hEl4gAfGATTBdbps0ltQ3r5R1qYgM/3FhDSK8agQVAxS21jslzyCDyAQ==
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

2026-09-17T09:36:33.452696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095233
observed 4cee2b578453d441bf1f7dde6a5ef373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.433376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095233/manifest.json
observed d857f840e942f43a35bc7dfc787d05f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.414607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095233/publication.md
observed 42973fa7a423bf7d89944c3540796319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.394480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095233/publication.txt
observed 35a0b50158c9abf2516063dee62d930e...
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.