OpenTechnical

OT-2026-000019610

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019610) never changes.

Identity and time

Publication numberOT-2026-000019610 · never reused
Internal UUID01a0ae6f-1fb2-7674-afa5-bcaa5da933da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019610
StatusPUBLIC

Content hashes

Canonical textb1343f9e902160e52dca49a18fdb2d29baadc14dc44bc28e88c3a1d9a16e955f
Markdownd2dcb9687951c18552ec0d7bd630a4cc0aa0193282a5dc766f83702c14eef8cf
PDF
Publication paged5c8bd73b1434a71154021bb220ad3b7df9ef2e75be9ead9accd98ee56ab32ff
Manifest155efbff9ab49592425a6019502b6de439a30d21e4ec0e2079122953b4c8d1db

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
Signatureqzk4ebLtKWFuRTu1EV+QHUoI4PUd39JaF9bIP6crWqEUynM/chaoYYGLQgFfE/Dv7YnKUTYYWVCdartgQKj1Cg==
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

2026-09-17T12:00:45.188648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610
observed d5c8bd73b1434a71154021bb220ad3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.089992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/manifest.json
observed 155efbff9ab49592425a6019502b6de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.998495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/publication.md
observed d2dcb9687951c18552ec0d7bd630a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.981291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/publication.txt
observed b1343f9e902160e52dca49a18fdb2d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.510918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610
observed d5c8bd73b1434a71154021bb220ad3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.491649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/manifest.json
observed 155efbff9ab49592425a6019502b6de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.470766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/publication.md
observed d2dcb9687951c18552ec0d7bd630a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.450265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019610/publication.txt
observed b1343f9e902160e52dca49a18fdb2d29...
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.