OpenTechnical

OT-2026-000063330

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000063330) never changes.

Identity and time

Publication numberOT-2026-000063330 · never reused
Internal UUID01a0ae8c-f943-78bd-8f94-d1e9f1432e3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063330
StatusPUBLIC

Content hashes

Canonical text87e69f2d68cf7a2deeac3969452ee44932e5d6ebddb4cad961ac8c354b8237bc
Markdown485697001b57fd559e3aef233f36a1d4a9ca759057ade1d3722a2821aebe9cde
PDF
Publication page5adb60b8fa90ba9d06b4d0543dc3bfb6151ab49ab9b15d3daf054b95d523b01b
Manifest8c0ae73292f1cca73aff4cbd2aeeb5a10890f6d56254ff35cf211f9f6c353306

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
SignaturehPK81jMf9r79Ey0lfynoL94sUMtVL6cUnwmgzs47xyl/dV2alHPSw/PkwJW8Dxz92G6q6my3m0l12JRBAKHpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:13.469087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063330
observed 5adb60b8fa90ba9d06b4d0543dc3bfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.451042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063330/manifest.json
observed 8c0ae73292f1cca73aff4cbd2aeeb5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.433154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063330/publication.md
observed 485697001b57fd559e3aef233f36a1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.413782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063330/publication.txt
observed 87e69f2d68cf7a2deeac3969452ee449...
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.