OpenTechnical

OT-2026-000032122

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000032122) never changes.

Identity and time

Publication numberOT-2026-000032122 · never reused
Internal UUID01a0ae74-f7a5-75e5-94c4-60fd32437d89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032122
StatusPUBLIC

Content hashes

Canonical textcba272d79d352244b0b22873c09c2257c1457e326de70f0c10a1783d2f48eebf
Markdownb08a3a2618ee1e6b7eeca863abcb63b40703780ba312f3825d309fec462be936
PDF
Publication pagef08b50f45c08c6bb6481d5876e7864fa195aecc60d73f0639823237621b34edc
Manifest481f200277a007aed182c817413990da775269cfa0bd0a3e8fea812890109442

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
SignatureD7zPP6hL0PVgKKaMqcLQvLcr57NEgH+mRHe8dcgCzZ8bzT3sMW8L8tjHOBBi+dK4Vn+zQ4cQ2QlZ+EZsCp8YBw==
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

2026-09-17T11:34:26.323924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032122
observed f08b50f45c08c6bb6481d5876e7864fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.306780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032122/manifest.json
observed 481f200277a007aed182c817413990da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.288535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032122/publication.md
observed b08a3a2618ee1e6b7eeca863abcb63b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.270590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032122/publication.txt
observed cba272d79d352244b0b22873c09c2257...
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.