OpenTechnical

OT-2026-000063258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000063258) never changes.

Identity and time

Publication numberOT-2026-000063258 · never reused
Internal UUID01a0ae8c-94ab-7819-b018-2e8e4198d652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063258
StatusPUBLIC

Content hashes

Canonical textf43b8bbef0a2d9263a9620254e1822ba46f541f4a76c7232d561e6302733ee5a
Markdown0995ebbedd62d204390f9e58ed2aaf4546bb6907caa2f49390ad9246e636eb15
PDF
Publication pagecb300f68d2ea71973bc93c03a46dc52c26629e7fb29a47ba96d174b21c643958
Manifest49e3a58ee705c564dc78b3b8446589fab1e267a652fd4f2ecfaa467306d07fdd

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
SignatureIPZRc8r2nEuBnUv+9Z0jco5w5f1ahPwmH5+FxPzdcgKfyINFT8S/0iJ13q8fAfBfNiYirEbqftyV+ebepj4BBA==
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

2026-09-17T10:39:08.680691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063258
observed cb300f68d2ea71973bc93c03a46dc52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.662448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063258/manifest.json
observed 49e3a58ee705c564dc78b3b8446589fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.647318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063258/publication.md
observed 0995ebbedd62d204390f9e58ed2aaf45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.629348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063258/publication.txt
observed f43b8bbef0a2d9263a9620254e1822ba...
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.