OpenTechnical

OT-2026-000015402

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000015402) never changes.

Identity and time

Publication numberOT-2026-000015402 · never reused
Internal UUID01a0ae6d-ef49-7534-8cf8-527a977b348f · 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-2026-000015402
StatusPUBLIC

Content hashes

Canonical texte5adfb4cf42aa20537caf876459a69c50aceb91f558dd96a37270f08f4895d4b
Markdown44681ac146c5cd592d0fcbf4b3ba37103c736563c5037bfdfd64b5bd272e95ab
PDF
Publication page02280622135ef065fa76fe17a4adcb61675688594e431fb6baa4f9b95f4a89a5
Manifest1f11e8c3f985a4cfdad389a1e010ff48d0a1503c3a44357317e413dcf10778f3

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
SignatureFcyq8Cz6A7ZxrVLlMJeW8yFVBwpyqjffxmJkICQx0lHqwAHsgex1EV/qf7KMnprY1AXul0cVFyw5iGoO9XDJBw==
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

2026-09-17T12:06:07.630093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015402
observed 02280622135ef065fa76fe17a4adcb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.611784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015402/manifest.json
observed 1f11e8c3f985a4cfdad389a1e010ff48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.590840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015402/publication.md
observed 44681ac146c5cd592d0fcbf4b3ba3710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.570569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015402/publication.txt
observed e5adfb4cf42aa20537caf876459a69c5...
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.