OpenTechnical

OT-2026-000024004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000024004) never changes.

Identity and time

Publication numberOT-2026-000024004 · never reused
Internal UUID01a0ae70-aed7-7e73-8b94-23ab3aa5a856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024004
StatusPUBLIC

Content hashes

Canonical text8446da8d4e18af4b9222c96de40b8f0f0d25975c3def99f54b186924c0e482ef
Markdowndc4a025ab5d1b603623dce04b699bdda211efbfd7fd67236bc74b18534d2658a
PDF
Publication page4f2158d1693c0c3badf52bcb88bc29482abd1bc0c050684f4a3d30031c5ad139
Manifest78892bd75453f834197e822ac9a1f5c5447ed707ccd88556e0873772bcc7f121

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
SignaturedG5VvhxuAgLyzDtf8a+CoqxHgMkzCm5DM81WKJvlNeKD1bt+qNBGvrnPdFLdhNQPW0K6ILRfcTKz7DPcFxTBDg==
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

2026-09-17T11:50:46.802900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024004
observed 4f2158d1693c0c3badf52bcb88bc2948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.781484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024004/manifest.json
observed 78892bd75453f834197e822ac9a1f5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.757703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024004/publication.md
observed dc4a025ab5d1b603623dce04b699bdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.741196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024004/publication.txt
observed 8446da8d4e18af4b9222c96de40b8f0f...
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.