OpenTechnical

OT-2026-000026737

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000026737) never changes.

Identity and time

Publication numberOT-2026-000026737 · never reused
Internal UUID01a0ae71-f4ab-72cb-9807-c0aecc239870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026737
StatusPUBLIC

Content hashes

Canonical text1d6eb0ca49aa200c9035cca24fa803ca9715f3bdd2c8ba30c555a6938862e3fe
Markdown61cff582e6354c2181a610f1b1faafce299fd6a8e2f5bbd8ecb4fcd9a1d0e1a0
PDF
Publication pagea6e037ed4ecb58b750688191ef8fd60b11fe905371768a8fce161d709d6e239a
Manifest16838d8429a787ac9480c1ab8e7a41b43c5db094946c5af8be0c1d687e7b8017

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
Signature9oDMJFbcZH7HrajyWRTTFYrazKTUsva5MxresUv+GzJTAaFzGEV/D8svHa8OpTL9JMey5iR8QKdXa+nxnUShAQ==
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

2026-09-17T11:45:55.285966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026737
observed a6e037ed4ecb58b750688191ef8fd60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.266404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026737/manifest.json
observed 16838d8429a787ac9480c1ab8e7a41b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.243733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026737/publication.md
observed 61cff582e6354c2181a610f1b1faafce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.226595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026737/publication.txt
observed 1d6eb0ca49aa200c9035cca24fa803ca...
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.