OpenTechnical

OT-2026-000063723

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000063723) never changes.

Identity and time

Publication numberOT-2026-000063723 · never reused
Internal UUID01a0ae8c-f946-7f85-b9ca-d2e4506df114 · 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-2026-000063723
StatusPUBLIC

Content hashes

Canonical text5407179477b4d688b7e70c5d927bfd246e7d0fa26692768ecfb49fabc52e488f
Markdownddda0800657726e5b05c97509f40a5d5dea0009ad264bcdb5dee47d649773f7d
PDF
Publication page045a08f5e0130e595b885f9b07a9a31478442b6060e09d4f046a534e82a5fd13
Manifest0eb7b0d828b7f6df2b75582eafe664b1b4e7bd1bfbb7782d3fd7e10947f895f7

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
SignatureBWpd+jJd/UfVaW+hEnxGtwpjwGkrXrLcpdfv3D9Z/cdl10yOxwFcJOuJQrckYvTaYDz8qz0JAS5G30scPVceCw==
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

2026-09-17T10:37:51.042962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063723
observed 045a08f5e0130e595b885f9b07a9a314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.023803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063723/manifest.json
observed 0eb7b0d828b7f6df2b75582eafe664b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.007137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063723/publication.md
observed ddda0800657726e5b05c97509f40a5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.989651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063723/publication.txt
observed 5407179477b4d688b7e70c5d927bfd24...
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.