OpenTechnical

OT-2026-000104224

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104224) never changes.

Identity and time

Publication numberOT-2026-000104224 · never reused
Internal UUID01a0aea5-3420-7019-b945-ace920b93fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104224
StatusPUBLIC

Content hashes

Canonical text265d9231f43af8418fd452331ccac4244169fd354b527aed658c5cadae8a3710
Markdown9eaac097a4f8069770460334618a61a2a1c9ba449b1c980f7a931ababf305247
PDF
Publication pagec80a4a55bc371e15fb8fac3514ecdc3b4fcbb5a29807c052816ef07b4124c054
Manifestc1c6ecbada8442467f6747dc9deb2cc523e9cd67f39db8e1f33499223aa36ca8

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
Signature9fzTJn0K9w57cKLnvT6WpIDAJ9BHrBYkfBBzz5XUFGWIUobN1/DXxTqRg9r331NguHjfUyxlq9mdVuft+tCxAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:19.721865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104224
observed c80a4a55bc371e15fb8fac3514ecdc3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.704692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104224/manifest.json
observed c1c6ecbada8442467f6747dc9deb2cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.687155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104224/publication.md
observed 9eaac097a4f8069770460334618a61a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.668007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104224/publication.txt
observed 265d9231f43af8418fd452331ccac424...
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.