OpenTechnical

OT-2026-000045797

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000045797) never changes.

Identity and time

Publication numberOT-2026-000045797 · never reused
Internal UUID01a0ae7d-8f05-7177-bc2b-11c00913c61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045797
StatusPUBLIC

Content hashes

Canonical text04a79ccb8acb462c46f8b1c1fc0113d5d818181f29756fe67c78575f7e4d15c1
Markdown2a33fc38440526272040394db391c75c74c80d468b282be06a7b138aaad31313
PDF
Publication page2c1cc603289b6b134b80a91bdfc678418e3033b3e49c75094ef1ac3da0c59e48
Manifestdaea88530f7e5e3d4686d97f2fb75c454326e7e6a7e5c535e9aad2adfcb55c14

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
SignatureUI0gVow5z254+1Xdz3ltV8UjwmFYXoAtWUGx8h+ZxJtgVBMVc2KtulRJczoZVem/UqoKU+ZHA02aOExJA+gYAA==
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

2026-09-17T11:09:39.777596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045797
observed 2c1cc603289b6b134b80a91bdfc67841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.758141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045797/manifest.json
observed daea88530f7e5e3d4686d97f2fb75c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.737435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045797/publication.md
observed 2a33fc38440526272040394db391c75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.717924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045797/publication.txt
observed 04a79ccb8acb462c46f8b1c1fc0113d5...
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.