OpenTechnical

OT-2026-000070404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before 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-2026-000070404) never changes.

Identity and time

Publication numberOT-2026-000070404 · never reused
Internal UUID01a0ae91-545f-7d56-ba96-f15155102470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070404
StatusPUBLIC

Content hashes

Canonical text7c124feabc6d5bafdf10dc1f4f8b072a88fe7385011a040b1522c53c7c879156
Markdown1bb0c131430561a49eb5cb5c18217cf9037ed4dba37164294bb07246fd6e5486
PDF
Publication pagee4db8edbba1b6df8964285cd1a4e49b775163db47646a4bb76b8f1e48df33865
Manifest0eece182f10d97ddd5632d1bcace339ecf845f4f4301afe7981100a72e9a6173

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
SignatureGlXjSiWl55L/gdTZqHJXR1ur+iD9FQPdQ+lwQRglA8qWpJAtaR+113qGwSmbjPirQUAWLmJu4Ka5+WM//iNmDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:12.726379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070404
observed e4db8edbba1b6df8964285cd1a4e49b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.709863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070404/manifest.json
observed 0eece182f10d97ddd5632d1bcace339e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.692161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070404/publication.md
observed 1bb0c131430561a49eb5cb5c18217cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.673381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070404/publication.txt
observed 7c124feabc6d5bafdf10dc1f4f8b072a...
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.