OpenTechnical

OT-2026-000026275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026275) never changes.

Identity and time

Publication numberOT-2026-000026275 · never reused
Internal UUID01a0ae71-f4a6-7d38-9a99-9ca231c2669b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026275
StatusPUBLIC

Content hashes

Canonical texteaf1606beb15f847d86791c5d54a2f20e4ce42d8bdb631f332621da2ffdf581a
Markdown902aa8929ab6a3ad4343bf31e43cc4a1f45c34f053425201ec06f92907bac1e6
PDF
Publication page2f8f8b8648a50782c36b64ce247b39cfe4505487b6ba31d7ff4958a02319054f
Manifest0e84abd3122108ce4c9177f2f89013381faf8c6aaff7e7a8fe7931fd2397a448

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
SignatureGiiGURDfjtWFaybZfLZSno21W2MThfBULO0c0j489dLKogvad2JYWgx91QDRf71ljFih6OXfJETLN4/wJVSbAw==
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

2026-09-17T11:44:13.289899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026275
observed 2f8f8b8648a50782c36b64ce247b39cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.274425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026275/manifest.json
observed 0e84abd3122108ce4c9177f2f8901338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.257029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026275/publication.md
observed 902aa8929ab6a3ad4343bf31e43cc4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.240468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026275/publication.txt
observed eaf1606beb15f847d86791c5d54a2f20...
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.