OpenTechnical

OT-2026-000024949

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000024949) never changes.

Identity and time

Publication numberOT-2026-000024949 · never reused
Internal UUID01a0ae71-2728-7937-85ed-7d5954669fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024949
StatusPUBLIC

Content hashes

Canonical text430443fed5dc7ced9ddef3113006e7a6847281dc7ed8890d45615757f1319ae2
Markdown47e4462bc8f6be407233ca517a4dfb74e8e946d05cd50ec122e67625f994a752
PDF
Publication page75d3b0d07f061be2d68a63af49ad3c7d336137f6fd8829d29f82649fe06a21a0
Manifestcda94dedcef29af2b0abe4c84f066d055334c2a4d839dd5dacc99b5e3d21fa25

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
Signature/ijQag2x2ERGX6g9GZjFn45YEcHchlkjPDXcH0S2TeiA8M3aj6EeQVyPZ9drIISUyC9tqwWCJM1V6aG8b9pJBQ==
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

2026-09-17T11:48:18.005584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024949
observed 75d3b0d07f061be2d68a63af49ad3c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.987593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024949/manifest.json
observed cda94dedcef29af2b0abe4c84f066d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.969527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024949/publication.md
observed 47e4462bc8f6be407233ca517a4dfb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.951535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024949/publication.txt
observed 430443fed5dc7ced9ddef3113006e7a6...
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.