OpenTechnical

OT-2026-000033232

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000033232) never changes.

Identity and time

Publication numberOT-2026-000033232 · never reused
Internal UUID01a0ae75-4845-75ad-856b-6eeddaf37d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033232
StatusPUBLIC

Content hashes

Canonical textf5d38d10a6bb062801fa35f517fe54b145585132424c728adec3f48943a82bee
Markdownde6d85badb480c045ccbcc1b7050ac9203b39fe528d71b4e873f1c73dd152761
PDF
Publication page6c6743bd85ce7a811bfd2642e07ca07e8058d850aab6d511aa62c62ab17b8ff4
Manifest155fdff28ad71def46c2583f2e662d6f400dd978e1a59a867580589dcf62cf4d

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
SignaturezuEUiJ4uIgIszD6RuCLHfYOM7rxrKF0e3dX8ISDBlXeiEisDTFjJEi9L3JUdMabWFgixoTJK96EhvJsuKxGDBA==
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

2026-09-17T11:32:56.319882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033232
observed 6c6743bd85ce7a811bfd2642e07ca07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.300793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033232/manifest.json
observed 155fdff28ad71def46c2583f2e662d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.281638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033232/publication.md
observed de6d85badb480c045ccbcc1b7050ac92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.261811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033232/publication.txt
observed f5d38d10a6bb062801fa35f517fe54b1...
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.