OpenTechnical

OT-2026-000064634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000064634) never changes.

Identity and time

Publication numberOT-2026-000064634 · never reused
Internal UUID01a0ae8d-deb8-7f50-a08e-1a899fb7ed7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064634
StatusPUBLIC

Content hashes

Canonical text5538d60dc7611946e19184915404c9159fbd0f20b22905f82a8be618b6232853
Markdown73a44c795bc560e03578608c727185f1f64400077784f93590f32ccd8a9533e8
PDF
Publication pagefe91e5ca28cce472e651660d3aef8be6160d6cadf60b54e49381732419d39d2c
Manifeste283cb23233d6de3690f3262a83d45bc2ddad351e831d587f53d5a0723dacdbc

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
SignatureKB/oaszGEDq5SUfWIZjQMhETbH6p8U9+hodni1sxVY3PaRIuODuTN8VpXONzORAHhYyC4Z1Q2g66kuB4rC+5AA==
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

2026-09-17T10:35:24.987324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064634
observed fe91e5ca28cce472e651660d3aef8be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.968098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064634/manifest.json
observed e283cb23233d6de3690f3262a83d45bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.950460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064634/publication.md
observed 73a44c795bc560e03578608c727185f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.933801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064634/publication.txt
observed 5538d60dc7611946e19184915404c915...
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.