OpenTechnical

OT-2026-000020486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020486) never changes.

Identity and time

Publication numberOT-2026-000020486 · never reused
Internal UUID01a0ae6f-437c-7ee5-8102-81e0640a73fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020486
StatusPUBLIC

Content hashes

Canonical text71ccd1147e6264634b4c3d984fb60504435bcfa2d9a6a354d42f5a3537a97a68
Markdowna5c6f5c90ec1d3dff6a184985056a0dea7b244d4c799e481f46fa49e795e4e6f
PDF
Publication page197389f0cef3d7d14c6aaade83c53579bd25d6c0f4a653775c5716629377d248
Manifest19d580e72722fc15e63e5040991d6f4f79a16c2fdbb0745b047d68d8a4473cb0

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
SignatureSHHIJVzrv6jC12ECN2tzdzsNVqqM2HhRlqjnv+yNfURgQubY9nWdba7Wd9o0M9WwDHiHf4ikYf08RW+8yESKDQ==
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

2026-09-17T12:00:25.271252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486
observed 197389f0cef3d7d14c6aaade83c53579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.248901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/manifest.json
observed 19d580e72722fc15e63e5040991d6f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.226836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/publication.md
observed a5c6f5c90ec1d3dff6a184985056a0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.202118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/publication.txt
observed 71ccd1147e6264634b4c3d984fb60504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.094489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486
observed 197389f0cef3d7d14c6aaade83c53579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.076477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/manifest.json
observed 19d580e72722fc15e63e5040991d6f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.059153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/publication.md
observed a5c6f5c90ec1d3dff6a184985056a0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.042035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020486/publication.txt
observed 71ccd1147e6264634b4c3d984fb60504...
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.