OpenTechnical

OT-2026-000030761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000030761) never changes.

Identity and time

Publication numberOT-2026-000030761 · never reused
Internal UUID01a0ae74-3fb4-722d-be32-588f9083932c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030761
StatusPUBLIC

Content hashes

Canonical text58874436cdd76eb9a16bf04a52f2e65edd4b8359db92226e542595e55ca1240a
Markdowne1062e0c48fc0fc472705c3eda08c4cc755f9ec7380307ff1e4b90cdd1191843
PDF
Publication page01e2f5d0ac96ef2a601522927ff42e7d4c42354df6f52721a03f216a4cf410e1
Manifest298f6a8aced4092694cae5a3a5f06fbfc1052d28bc6f895206933f572ff15604

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
Signaturem58w1Taok0T/Ta1T3LFB2b6Ari9Yz6/CvunXw0QQI52kvjO/RHcug6vyAXGFBj42hKB9DQDfzqFIRVjKYMtTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:42.761152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030761
observed 01e2f5d0ac96ef2a601522927ff42e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.744646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030761/manifest.json
observed 298f6a8aced4092694cae5a3a5f06fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.728556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030761/publication.md
observed e1062e0c48fc0fc472705c3eda08c4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.712377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030761/publication.txt
observed 58874436cdd76eb9a16bf04a52f2e65e...
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.