OpenTechnical

OT-2026-000017025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000017025) never changes.

Identity and time

Publication numberOT-2026-000017025 · never reused
Internal UUID01a0ae6e-591b-7bbb-b85e-13339cc20cbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017025
StatusPUBLIC

Content hashes

Canonical text3c6db5664f40be272967c4eb86abe639d41a8f073da906ebbbc9a306eaf6309d
Markdown57daba7e9ebae81995f03a35d8551385e1502821cfdaf894e1e87e4412891806
PDF
Publication page24f0d652899ee6b514037a23840df5a485c29307836934eaca2df64d9b391467
Manifestb0ea870c642e5c68fae78c92d127fd80b478a36b46363a32bd28a29f8e22cf93

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
SignatureBO/o7B3JLyMdROMhF6ZxIVS6wAoTbxNzpvZ/kongQAB64PEWHgEDR4XTuS6TrgorARYBgietoheCnCpv8YVuBQ==
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

2026-09-17T12:03:26.093439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017025
observed 24f0d652899ee6b514037a23840df5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.078515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017025/manifest.json
observed b0ea870c642e5c68fae78c92d127fd80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.063681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017025/publication.md
observed 57daba7e9ebae81995f03a35d8551385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.048240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017025/publication.txt
observed 3c6db5664f40be272967c4eb86abe639...
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.