OpenTechnical

OT-2026-000063950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000063950) never changes.

Identity and time

Publication numberOT-2026-000063950 · never reused
Internal UUID01a0ae8d-53bb-760a-8943-02e6109a2c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063950
StatusPUBLIC

Content hashes

Canonical text36f9a4a1112596e34fc268a299c0368e71d6364348e014ade463cb6557254851
Markdown97eb98c4211ace2230a4afb1d679facc92ab9214bdd20c1a5a51e732e36bacfc
PDF
Publication page46cd1082320567aeed58219e86eaeb111dfcc212f403f73b08d9de02974e892e
Manifestcadcabf5ad737c2f052885cccdc55d25c79474f45e8052683a2fca9da150ef3e

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
SignatureKH8GYDaW6n6wD0/D0Uu+wlNgxwdDihipxXst+H0QkNjN6ZxnFwSjGGx0omNtT7fu654tKnM3l11yRX+rodOQBg==
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

2026-09-17T10:37:00.641690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063950
observed 46cd1082320567aeed58219e86eaeb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.619113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063950/manifest.json
observed cadcabf5ad737c2f052885cccdc55d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.600474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063950/publication.md
observed 97eb98c4211ace2230a4afb1d679facc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.579781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063950/publication.txt
observed 36f9a4a1112596e34fc268a299c0368e...
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.