OpenTechnical

OT-2026-000003635

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, three stage ejector

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-2026-000003635) never changes.

Identity and time

Publication numberOT-2026-000003635 · never reused
Internal UUID01a0a90a-9927-706e-96be-678540295953 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:19.210426Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003635
StatusPUBLIC

Content hashes

Canonical textd8e7ebee74ee1bf603ef5cd11b1f885c1316cb0ed1b1bfad7323ba69e7ed730d
Markdownd55bfdc76d39aab3af57ef475d9e5c1784b55dcf7955b98513adde34aa23a901
PDF
Publication page9825eb8cc83a85b28c15272a95f9381b7d267a3fc07968388f3efa7fd70b7b3a
Manifest2969f7d3f7159d0608f2f65dc446a3aea2068a50901c4eb8f5ff9dfde8cf19b2

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
SignatureM99gF8BdLyufB8UPfQnw8KXd8A8TBK9m95a1n5/hVYSP4R6ejZceberYktFnsJR92lSYuiLtxLdA9slyG6lmAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:35.137890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003635
observed 9825eb8cc83a85b28c15272a95f9381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:35.122806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003635/manifest.json
observed 2969f7d3f7159d0608f2f65dc446a3ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:34.973051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003635/publication.md
observed d55bfdc76d39aab3af57ef475d9e5c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:34.959269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003635/publication.txt
observed d8e7ebee74ee1bf603ef5cd11b1f885c...
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.