OpenTechnical

OT-2026-000033725

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000033725) never changes.

Identity and time

Publication numberOT-2026-000033725 · never reused
Internal UUID01a0ae75-a390-7caa-9e91-3bc3c9fa26fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033725
StatusPUBLIC

Content hashes

Canonical textf87502c1e0d34367caea6be2b2d11cc22f96b27bd54cda32b0ee4a11cc0dea07
Markdownf89147107d4bcb1502c85259e256b9de227a6481f393029a850de9833aa187cc
PDF
Publication page1f850569963c3af4e9651d6eeba52fe162dea003c4edfc69c9c68145a981f719
Manifest3be2abd515a41331b61667531b8b68c7f051e2aa7d6799d1e1a7b05f6cbf522e

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
Signature6UrrgEz/8jdk6CRDA5xnR5/mfys41+kj2pxLcRnLjs0o7PcI85BtF6WyapPlDjmisf55vX4lVBbqf5eA4o56Bw==
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

2026-09-17T11:31:43.703892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033725
observed 1f850569963c3af4e9651d6eeba52fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.683379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033725/manifest.json
observed 3be2abd515a41331b61667531b8b68c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.666445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033725/publication.md
observed f89147107d4bcb1502c85259e256b9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.646005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033725/publication.txt
observed f87502c1e0d34367caea6be2b2d11cc2...
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.