OpenTechnical

OT-2026-000104039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000104039) never changes.

Identity and time

Publication numberOT-2026-000104039 · never reused
Internal UUID01a0aea5-341e-775a-8455-61ab2b127ea1 · 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-2026-000104039
StatusPUBLIC

Content hashes

Canonical textf475f8ba25b4cfa1e04014d92a16e9d0b5224068cd8d7e52bb1af16e942ec852
Markdown42c648ae436c1e024e8a365474d6e5c1ede145ca2dfad98812313b829b5fc504
PDF
Publication page2fc1ff90fb308051738ffd67101a00b3cbb3178fdc7febf0175868ee46d88a1f
Manifest4980839bedeba122dbfd63bd7f7276ae33f2829c3df17cdc6b0bece7704a079b

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
Signaturejm8H/1uhdSvTTq5tO55K4HXKV5gy7qLwqCPm7J5Zy0AzaxR7w9HkGr4AU8cUOZYWn/DgCOAf2AGmvipeP2NxCw==
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

2026-09-17T09:20:06.235011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104039
observed 2fc1ff90fb308051738ffd67101a00b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.218471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104039/manifest.json
observed 4980839bedeba122dbfd63bd7f7276ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.200158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104039/publication.md
observed 42c648ae436c1e024e8a365474d6e5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.184560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104039/publication.txt
observed f475f8ba25b4cfa1e04014d92a16e9d0...
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.