OpenTechnical

OT-2026-000103875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103875) never changes.

Identity and time

Publication numberOT-2026-000103875 · never reused
Internal UUID01a0aea5-15e7-782d-9c66-e26df9567207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103875
StatusPUBLIC

Content hashes

Canonical text9e7842bc361045696addb9762cd6c61570c650214924d73946fae60ddd50fb15
Markdownbda5432d3f3a3010105ba14bfb70cf0f2e5c9b98133be1cf1c643f875c6a62b4
PDF
Publication pagefa1bb0c01895a488fbff278fdea125cfbce68de99b9aa9654f9fb5367e60156e
Manifestaaa8d1f8e6ff2aa35ca18e8e42ac0576e76f69ddcb0eb8b016f2412d815e2056

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
Signature+eV7RMiuAq2p1WWNxdxNbKQWhhEhm4XZBd8CgSgOOm/JzfWfogWtGZnIUlz/FQTlfeMgYhLd2WLReUhKVlpSAQ==
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

2026-09-17T09:21:51.611754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103875
observed fa1bb0c01895a488fbff278fdea125cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.592032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103875/manifest.json
observed aaa8d1f8e6ff2aa35ca18e8e42ac0576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.574002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103875/publication.md
observed bda5432d3f3a3010105ba14bfb70cf0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.556160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103875/publication.txt
observed 9e7842bc361045696addb9762cd6c615...
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.