OpenTechnical

OT-2026-000044805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000044805) never changes.

Identity and time

Publication numberOT-2026-000044805 · never reused
Internal UUID01a0ae7c-911b-73ad-8240-7e201b5085bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044805
StatusPUBLIC

Content hashes

Canonical text5758e18c030dd25cbb3fc41c7e010e53d9721b68e0b7ad8a3f976e26a6eda016
Markdownf8b2a4d581528db8fc3f5a81f65e99e90bf94b61bed8948c2f036abbfe21da95
PDF
Publication pagefa872a0df7b23e8046fbac19937276e0844839abcd34694ff160aa781f0f59b8
Manifest3d592a779e638107386f5bd61b5e5a42835879828d7b25650157e9a53bc7e588

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
SignatureX1xITT9McQouRarKEbq1ZUH1t/pOnJc9KiPqniVouy5ZHk29pPsjIqha9bdeZMHr0mJubs5ktgMxD5Ss5P5aBA==
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

2026-09-17T11:11:26.167959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044805
observed fa872a0df7b23e8046fbac19937276e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.148160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044805/manifest.json
observed 3d592a779e638107386f5bd61b5e5a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.127745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044805/publication.md
observed f8b2a4d581528db8fc3f5a81f65e99e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.108742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044805/publication.txt
observed 5758e18c030dd25cbb3fc41c7e010e53...
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.