OpenTechnical

OT-2026-000015506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015506) never changes.

Identity and time

Publication numberOT-2026-000015506 · never reused
Internal UUID01a0ae6d-ef4a-7f43-ba1f-d07a03149ee3 · 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-2026-000015506
StatusPUBLIC

Content hashes

Canonical text17b56321c8a5558c18e218bfcb16d7020449d8f4ca9fc7c85e09ac356505656f
Markdowne35a5f41ab203ba69a8e264f8fec2a02ff4dfe0cfd2d88112977f2c6b60d86c6
PDF
Publication page1f3140de17c911b1ac8f8dfeeec74354fb0a334d966bd300cf15e5b99b0cfb3b
Manifest41a8e80a1c47bfb545aefeb080e9b034cc238046111f66adcd193ab6b214ea1a

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
SignatureiRwnTFcBBz9Ywz/Y6vApnKdNd8D1sTVa4MRmJlrGodSYSKv+O1ffKTPo1D/vFeXhrjouRDcjXfHmbOYD822TAA==
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

2026-09-17T12:06:16.491905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015506
observed 1f3140de17c911b1ac8f8dfeeec74354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.475214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015506/manifest.json
observed 41a8e80a1c47bfb545aefeb080e9b034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.457798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015506/publication.md
observed e35a5f41ab203ba69a8e264f8fec2a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.438573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015506/publication.txt
observed 17b56321c8a5558c18e218bfcb16d702...
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.