OpenTechnical

OT-2026-000081474

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081474) never changes.

Identity and time

Publication numberOT-2026-000081474 · never reused
Internal UUID01a0ae96-f375-77c4-9ba1-7e6cc0d46d0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081474
StatusPUBLIC

Content hashes

Canonical text1de73dd455ee33d01883ee6df5ca3322a3fc4da70a93d2cc2e3c56481a0fac2a
Markdown4552fba577685165f12e92185d9834cf7557117867eb68969a45e57b0d50c1de
PDF
Publication paged33c4d47ee55fb2696196a4e6ddd4cf1476abe97318b0f4a832727c1c300aa6e
Manifest98c88a8be62e5824b0c95c99d3137b10a72a3cb280e1c220ee0466a2f4263897

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
Signature9wK66qEoE/zSaJgHYMMmRTGL7PzG0nPAFE7LJA8NXlBkLVrpE7ONzUX/2P45GN6KwtvJPcUc7aivxGTQNOX0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:38.403666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081474
observed d33c4d47ee55fb2696196a4e6ddd4cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.384392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081474/manifest.json
observed 98c88a8be62e5824b0c95c99d3137b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.367094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081474/publication.md
observed 4552fba577685165f12e92185d9834cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.350095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081474/publication.txt
observed 1de73dd455ee33d01883ee6df5ca3322...
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.