OpenTechnical

OT-2026-000029241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000029241) never changes.

Identity and time

Publication numberOT-2026-000029241 · never reused
Internal UUID01a0ae73-2aa1-7f5a-9418-f5485e2cf0a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029241
StatusPUBLIC

Content hashes

Canonical text5d70fc615e60bd634b8958fb0f298021cdf63cd4596651774f7df36a6ffaffed
Markdown53fcc1479660b7f999105ea4bdd7f478dee77fdcdd7cce57191d1b198d4a39d5
PDF
Publication page245036270875b588cf955fc7cc04f9d50e28a3acc7477bda9d2409e1dcb6d4b6
Manifest0323e8ef4f94c73d3f849fea4c094d637ae7d7066366158e3060390f7e8bc7ec

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
SignatureAHDmMSsm5iWDE6AIUbcM0GVrx6VbO6MwKa4PO2/WX9Fi1F5qDBh4nz7JGZvRqouQ+4zBQz5pKxhXX6D5v78PAw==
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

2026-09-17T11:39:52.013027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029241
observed 245036270875b588cf955fc7cc04f9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.992077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029241/manifest.json
observed 0323e8ef4f94c73d3f849fea4c094d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.973825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029241/publication.md
observed 53fcc1479660b7f999105ea4bdd7f478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.956096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029241/publication.txt
observed 5d70fc615e60bd634b8958fb0f298021...
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.