OpenTechnical

OT-2026-000021084

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000021084) never changes.

Identity and time

Publication numberOT-2026-000021084 · never reused
Internal UUID01a0ae6f-65e5-7143-8685-4e71b45fb007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021084
StatusPUBLIC

Content hashes

Canonical textb9331a3cd5a870d331219e5384886000a9462106d85686739e0dad36c038e9c0
Markdown0fb0037a1e9746670471a4076b2e4ed11931350d79866e406c377a606397ced5
PDF
Publication page37a4bbe49c898f738a98c3e223e670986feb679ec1ab954de6f5a01f481686a0
Manifest89309d09e90cba4bda9a0cfb1ee9bf966d6044ee5b95a0bc75d27cf3e8605f86

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
SignaturewxEeFJGYWnOGSHAc4imzZgMHulpI59zxvlXKIWdA7A079P4LibSShQoGuTj8Vr9tJAPCybjhvUZ+w0r66gzWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:22.099108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021084
observed 37a4bbe49c898f738a98c3e223e67098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.077842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021084/manifest.json
observed 89309d09e90cba4bda9a0cfb1ee9bf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.057126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021084/publication.md
observed 0fb0037a1e9746670471a4076b2e4ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.034393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021084/publication.txt
observed b9331a3cd5a870d331219e5384886000...
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.