OpenTechnical

OT-2026-000023210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained 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-2026-000023210) never changes.

Identity and time

Publication numberOT-2026-000023210 · never reused
Internal UUID01a0ae70-7267-7d38-9df7-82be918d4ca2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023210
StatusPUBLIC

Content hashes

Canonical text5046510959d6850239ea674772399947f8d1e77ef58d615be12e7c3be1e2e07e
Markdown16c4aea8ab21eb4db150b01017eb58a05758a078afa3ca72f0adf25add978a5a
PDF
Publication page74de1660983fb324992cf27cd00b82870e895506ed85a1c42b667dac7df456c2
Manifest5a26d4a720d661d15eac64c10580ec2939a50ceda3f02604a2e99ab0ec4e472f

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
SignaturenB21KCiOh/RogklGhjb6avyruKjZ/BXoKcpi5YmpM7APRND5rcQjnEZz9GVi7VpUw3W5R3B+uKp/yc/qoaAvDQ==
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

2026-09-17T11:51:10.059232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023210
observed 74de1660983fb324992cf27cd00b8287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.042429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023210/manifest.json
observed 5a26d4a720d661d15eac64c10580ec29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.024956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023210/publication.md
observed 16c4aea8ab21eb4db150b01017eb58a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.008504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023210/publication.txt
observed 5046510959d6850239ea674772399947...
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.