OpenTechnical

OT-2026-000046530

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000046530) never changes.

Identity and time

Publication numberOT-2026-000046530 · never reused
Internal UUID01a0ae7e-57dd-77f8-b790-76ff7592318f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046530
StatusPUBLIC

Content hashes

Canonical text85e0f8a5969f1cb72a4a72bf6bb7c29af49a42c9b29aff4568d7baacdc120bb4
Markdown08611c0d9d911885905417e903cce6d0794caebf66883bdf095257d3fb890882
PDF
Publication page8ccfc11ed1bc06d3384bb33168d0256274ee627c42949f06886478ffb1ce6867
Manifest1457717da945a23662afe597e742b3e4e60c33b1038f20beec5c54600a64cd18

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
SignatureGcWHm6UMTW5SswETOQGBpDsy6tkpKHvXZGC38j5vrox0FaAKiK8S1272XWZbC0zdrE4HOmqHt5pOUsEpdfD0Ag==
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

2026-09-17T11:08:34.955632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046530
observed 8ccfc11ed1bc06d3384bb33168d02562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.937899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046530/manifest.json
observed 1457717da945a23662afe597e742b3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.918726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046530/publication.md
observed 08611c0d9d911885905417e903cce6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.900203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046530/publication.txt
observed 85e0f8a5969f1cb72a4a72bf6bb7c29a...
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.