OpenTechnical

OT-2026-000104192

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000104192) never changes.

Identity and time

Publication numberOT-2026-000104192 · never reused
Internal UUID01a0aea5-341f-72c1-98c4-bc5ffe985f70 · 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-2026-000104192
StatusPUBLIC

Content hashes

Canonical text8b5d87c91ab1bdf1bbedc80e0ed0a9dcca67c6c58d05134721629450ef09c1f9
Markdownc36e20c70a27390e8f8180e9344ec070e046b40f40f0b7836246de1f4ec6af30
PDF
Publication pagedb3a74c92c9c9b87c648c578aaa43e776890c1ed836b68b32c4b7a24ae91a99c
Manifeste0e8f93f5f89cd9ca966315fbad932c02acd1b6ca6e03ce81f1b4bb3b840af99

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
SignaturecNhreaLEYP0R9lMdi0i8OhPBbP/bfzv08EwR0MtLvjBqZCcrgejPzio+slaPmMrVno3Sev7hI0WEVGeSINNdCQ==
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

2026-09-17T09:20:17.332987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104192
observed db3a74c92c9c9b87c648c578aaa43e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.315081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104192/manifest.json
observed e0e8f93f5f89cd9ca966315fbad932c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.297798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104192/publication.md
observed c36e20c70a27390e8f8180e9344ec070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.279239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104192/publication.txt
observed 8b5d87c91ab1bdf1bbedc80e0ed0a9dc...
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.