OpenTechnical

OT-2026-000036028

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000036028) never changes.

Identity and time

Publication numberOT-2026-000036028 · never reused
Internal UUID01a0ae77-01cd-710c-a0a4-b8fcf89448e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036028
StatusPUBLIC

Content hashes

Canonical text8246c60241e89a1c760fe4a7bb565bd223827f41f9d4b07b7fcc6b1b1e551487
Markdowna17796817395a29285ed1b6748f4a36b7eb0d4a1f247ca0dca183c8796980a07
PDF
Publication page1dd10f659e81fe8ed4b31afd1437ae96e823e178d6c3026225f9d0bb65ef9d4a
Manifestdf55a403a11632fb785ed4bf744d68840e99666b6961d2742519a5f08d945be1

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
SignaturevKsg6PXyWmC0L9N815MwIEZJEYaL7FVO/Yo9HgEIfSZ+fSvgTxh7VIwOeVmkBzZHzq5BZ7lsk6WrzmsLUtHeBw==
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

2026-09-17T11:26:12.334045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036028
observed 1dd10f659e81fe8ed4b31afd1437ae96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.315058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036028/manifest.json
observed df55a403a11632fb785ed4bf744d6884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.143622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036028/publication.md
observed a17796817395a29285ed1b6748f4a36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.123334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036028/publication.txt
observed 8246c60241e89a1c760fe4a7bb565bd2...
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.