OpenTechnical

OT-2026-000030458

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000030458) never changes.

Identity and time

Publication numberOT-2026-000030458 · never reused
Internal UUID01a0ae73-e503-7df0-b05e-506f80f3e1fe · 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-2026-000030458
StatusPUBLIC

Content hashes

Canonical text9c8dbe53713d4cd42ee354b9b9bfc9c5aab866752788bdb75d97c378d8023b1d
Markdown86fb8eed175b0a6832f66aabadacdca2baccbce58aa433803ae7f9b907d5e0c9
PDF
Publication paged5e8db5b3626799fca0859d11ac8a802ff6ed610b765f6e843685ba67f24d508
Manifest0e9cc34bc75f3fdd9f8406f363c480370280e49fdb105b018216d83ac11ffba2

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
SignaturejP1chh+ZfYq4dKVvWFGOqxbRqWdenXny3jnSrU2kd2qskXD8zGwHnAP+Eb/s+nJVTZ1HlPE99Gl4QzbiHIn7DA==
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

2026-09-17T11:38:12.180058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030458
observed d5e8db5b3626799fca0859d11ac8a802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.162757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030458/manifest.json
observed 0e9cc34bc75f3fdd9f8406f363c48037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.145945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030458/publication.md
observed 86fb8eed175b0a6832f66aabadacdca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.129683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030458/publication.txt
observed 9c8dbe53713d4cd42ee354b9b9bfc9c5...
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.