OpenTechnical

OT-2026-000047442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000047442) never changes.

Identity and time

Publication numberOT-2026-000047442 · never reused
Internal UUID01a0ae7f-3e58-75fb-b558-055be34ab2ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047442
StatusPUBLIC

Content hashes

Canonical text52b82860366896e91ec5e4f519938230cfba7a098b9462fc56ecbccacc31d43b
Markdown80d85ac97dff1f41bd6b10c8dbb03891a6bbfcf94671f9fb7abc3c4892047f78
PDF
Publication pagef72fb60a5005db436a977dee508b45408022dde21a211c41b58d2680e9850d4d
Manifestacb3281503bb2334d0ce88f4840994f8161330989076e43e570c5ffda825f9c8

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
SignatureCktnRN0jfKv53s4LH605UEjoo17F4WPbyse4x5ry295+tQjUTpp8/VEJG1ZZrZpGVn44TjC7g2sslhAufhjoBA==
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

2026-09-17T11:06:28.127746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047442
observed f72fb60a5005db436a977dee508b4540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.109101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047442/manifest.json
observed acb3281503bb2334d0ce88f4840994f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.091268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047442/publication.md
observed 80d85ac97dff1f41bd6b10c8dbb03891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.073999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047442/publication.txt
observed 52b82860366896e91ec5e4f519938230...
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.