OpenTechnical

OT-2026-000040526

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040526) never changes.

Identity and time

Publication numberOT-2026-000040526 · never reused
Internal UUID01a0ae79-6d0d-757b-84c9-b91751c9111a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040526
StatusPUBLIC

Content hashes

Canonical textd736d2f12ba93c8a3a0fffd405fdbd63c16c1d24a59ea8ffb3c69a3df7962c70
Markdowna4f08f3832e3116214bee88dd432d6052ca1155823ed802e9f7404997d7cc1bc
PDF
Publication pagee049c22db44c3e14ead6ac50fa2c91729b8c1383887e765a22c9d807e4073d30
Manifestf199aa27dcebb8389a2f4fabe702911c1705db7d28307881db11347e50152e0f

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
Signature4EZC37fIrePYThO6EC4hMtlZyOgPM1awQUArtc0HFqu1Ls0GI4+3vp85WMvv25oL8NOKF2ggOjWXg99WLBGpAg==
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

2026-09-17T11:17:40.478694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040526
observed e049c22db44c3e14ead6ac50fa2c9172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.457379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040526/manifest.json
observed f199aa27dcebb8389a2f4fabe702911c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.439838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040526/publication.md
observed a4f08f3832e3116214bee88dd432d605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.421662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040526/publication.txt
observed d736d2f12ba93c8a3a0fffd405fdbd63...
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.