OpenTechnical

OT-2026-000030508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000030508) never changes.

Identity and time

Publication numberOT-2026-000030508 · never reused
Internal UUID01a0ae73-e504-7329-a5ae-66ca09bad0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030508
StatusPUBLIC

Content hashes

Canonical textb210a4c57965303d3a438f6ead9dbaa0655372baf441c0514d1997fb895140a5
Markdown7ab0bf00a01c25f0a9f63f226ceefa0496694cd9fdb26b9df39bd1bf5e90f3d4
PDF
Publication pageda5f3900f39e333b5556083ef1bce1ba8b6d98c746c43fb451d435a2dbeec5b5
Manifest2cdc23e1f08db9b30f688a5e2aba2b817144938d2a9eba8368aef35b82ae0ee3

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
Signature03U5A6VAgPA+WCqE7k2fKATs8giW6XN3AvlnizVPNiGgb6ZkEjffPymmJ8as+txRWjWIzfFd6JRH/pUKxlVCCQ==
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

2026-09-17T11:38:22.024728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030508
observed da5f3900f39e333b5556083ef1bce1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.004884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030508/manifest.json
observed 2cdc23e1f08db9b30f688a5e2aba2b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.986985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030508/publication.md
observed 7ab0bf00a01c25f0a9f63f226ceefa04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.968403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030508/publication.txt
observed b210a4c57965303d3a438f6ead9dbaa0...
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.