OpenTechnical

OT-2026-000015525

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015525) never changes.

Identity and time

Publication numberOT-2026-000015525 · never reused
Internal UUID01a0ae6d-ef4a-72ae-b67e-4631baf15bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015525
StatusPUBLIC

Content hashes

Canonical text31d15898cb16d3f50c06424a47a6955947a7da4fbc289ef28c45cb540093785e
Markdownecd2be600941a3aa0684da461fd4926b4b7ff5eb81b5221808aadd5e217f5ad3
PDF
Publication page82b1cc1ac8acdcfb0add3f281d9d1a0c6a52657f913ecd77fd41a4a8ca86224d
Manifestda81708b7889d07394a2149eef9389e562b58d39e03ab0cad9418df8541fdfc1

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
SignaturepBT/lDc6mWl1GwplOBnbrqfLOwDD+hgK1Sq15jVhkjSwMRx5I3ZUuu4nSsGuPHnjaMSPSo1RJklT+SKj8DgGDA==
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

2026-09-17T12:06:18.086126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015525
observed 82b1cc1ac8acdcfb0add3f281d9d1a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.066981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015525/manifest.json
observed da81708b7889d07394a2149eef9389e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.048531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015525/publication.md
observed ecd2be600941a3aa0684da461fd4926b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.029511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015525/publication.txt
observed 31d15898cb16d3f50c06424a47a69559...
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.