OpenTechnical

OT-2026-000012923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000012923) never changes.

Identity and time

Publication numberOT-2026-000012923 · never reused
Internal UUID01a0ae6d-5564-72e9-b90c-513dca8e59aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012923
StatusPUBLIC

Content hashes

Canonical textc4da1fb2c38192011f7932439e5eb5a77f528fb30beb05310e74af65e25fd2f1
Markdown91eb8712741a10b6cf91d97f55510386966266a0092a63696ba8881189be9b79
PDF
Publication page29e905db06a22fe4af1deca1f8db24390b0d864e977d110dce0ed92dac52c33d
Manifestc04ba2cdaf1d50b53f3dd6529ca73b13fd43d65f5732e5a44fb5014be1cf9a6b

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
SignatureYbeG23FsOZcYB8AvUHo4/tbjPbp0NQPp8uKqK++cp7k+kPM4IwQz3N9857wBtYV/hIyftnqDzjO3QXNL4zEYAA==
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

2026-09-17T12:10:43.192961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012923
observed 29e905db06a22fe4af1deca1f8db2439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.172685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012923/manifest.json
observed c04ba2cdaf1d50b53f3dd6529ca73b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.082212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012923/publication.md
observed 91eb8712741a10b6cf91d97f55510386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.063536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012923/publication.txt
observed c4da1fb2c38192011f7932439e5eb5a7...
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.