OpenTechnical

OT-2026-000025418

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000025418) never changes.

Identity and time

Publication numberOT-2026-000025418 · never reused
Internal UUID01a0ae71-5fa7-7c9a-bd6d-9f7e4c281cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025418
StatusPUBLIC

Content hashes

Canonical text1bb1b5a5ff2cb4720a7d6a50f0c3a4f8bc0c13805fdb9d079cae05d427afdcec
Markdown68a64561ac59ce703d40e3933ff0aa720051ac0fc48c501b5e754197005fd3cc
PDF
Publication page0833f1fa9b203b6ad7483e7d70715a29af791a41a3ee5626dbfccb7310928b78
Manifest3dad6b106ea1a64de7a5bf390bd7e332e771c4d33d8d0c818f058821b0e07eae

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
SignaturefJCEPQptux9qqmpBhcAKbRNP/J7lmLvVsFR0JqCOiiYRTWpHFk7r7RQWUdL38p27HOhrxsjBHLKR/7W4LfgwCA==
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

2026-09-17T11:47:29.586872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025418
observed 0833f1fa9b203b6ad7483e7d70715a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.568608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025418/manifest.json
observed 3dad6b106ea1a64de7a5bf390bd7e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.551149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025418/publication.md
observed 68a64561ac59ce703d40e3933ff0aa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.532746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025418/publication.txt
observed 1bb1b5a5ff2cb4720a7d6a50f0c3a4f8...
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.