OpenTechnical

OT-2026-000063724

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000063724) never changes.

Identity and time

Publication numberOT-2026-000063724 · never reused
Internal UUID01a0ae8c-f946-7237-9d48-c48a96e70816 · 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-2026-000063724
StatusPUBLIC

Content hashes

Canonical text04d68968fb633eecfa9bbf81fcb96c0798742e2a19cc7b62e120af01562260f1
Markdownd980e8f5cad1a277c1d0213b7f6d5e81d7406d76054aab8582663b495fbefff0
PDF
Publication pagebe64c44de16b2b5e1efd4895cdb1911568dc9226ca8cd9473fbf0f3881a864f4
Manifestcade0b6d0e0b9f87f4cb9dbc89843345f750e77a27d209c34d793585e0e00e40

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
SignatureVnMzuEChiuO/G2wweYr7twEeK5w2+BeDxyZQNOWRIgRY1UKM1QJtdXmKpW/WJgJVsT7CctxXEgeFXeSbbR6fCg==
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

2026-09-17T10:37:51.115794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063724
observed be64c44de16b2b5e1efd4895cdb19115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.099698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063724/manifest.json
observed cade0b6d0e0b9f87f4cb9dbc89843345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.082754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063724/publication.md
observed d980e8f5cad1a277c1d0213b7f6d5e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.064220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063724/publication.txt
observed 04d68968fb633eecfa9bbf81fcb96c07...
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.