OpenTechnical

OT-2026-000029322

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029322) never changes.

Identity and time

Publication numberOT-2026-000029322 · never reused
Internal UUID01a0ae73-5e20-71a1-834e-b7a2556fc13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029322
StatusPUBLIC

Content hashes

Canonical text340b2964c78ac9b7f29062fcac7d9d6c59db4f5baafb6e152317229279e90e46
Markdown968a12b09349d200227daf7fe637bbebff6c9f2bff9bdc7d7cbea2d11d3bdec3
PDF
Publication page661738e7cc2200b1c878d03bc1325da9c2cd10b1b232d8c7915bb0d201e8bb75
Manifest93b5c3cf90ac958cb6af5f425e94d4b7ee26c988380a88917872306117d9fb08

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
SignatureIIrsKLI63aYi1muDsHiT3erRlmTN94ZPR3wHuNM8I4vC0ufqAmEORTu16iVfUCPa2aOZnDINE3Y8qN59mhRwCw==
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

2026-09-17T11:38:52.099986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029322
observed 661738e7cc2200b1c878d03bc1325da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.081564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029322/manifest.json
observed 93b5c3cf90ac958cb6af5f425e94d4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.061650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029322/publication.md
observed 968a12b09349d200227daf7fe637bbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.043139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029322/publication.txt
observed 340b2964c78ac9b7f29062fcac7d9d6c...
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.