OpenTechnical

OT-2026-000104068

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104068) never changes.

Identity and time

Publication numberOT-2026-000104068 · never reused
Internal UUID01a0aea5-341e-7b8b-aafe-1adb6526c8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104068
StatusPUBLIC

Content hashes

Canonical textd8d8519a6d4163b8eedd825ec3783d9672d3eaa694edab503ed5b45aaffa0207
Markdown0eae6f824a5b05d976a263e60180acbd737822c01f7479ac16b78721d78e836c
PDF
Publication pagec614c4fc1e4d02d5638191de108e8af1c4d0a56752c21d078862d3f6186cb8ce
Manifest4e72b05f1f770f52241bb99e411d935fd5ef0fd8fbf6bde0ea96d0dcda51d18d

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
SignaturesilreQw7RkaN8nqGFrBrnOh5cGdz43KZ+WDY9sNt/gkbML5p717OXJTaB4qBskvQAccEGuTzsnA7g/AtzmZ8Ag==
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

2026-09-17T09:20:04.093036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104068
observed c614c4fc1e4d02d5638191de108e8af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.077333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104068/manifest.json
observed 4e72b05f1f770f52241bb99e411d935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.060475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104068/publication.md
observed 0eae6f824a5b05d976a263e60180acbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.045037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104068/publication.txt
observed d8d8519a6d4163b8eedd825ec3783d96...
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.