OpenTechnical

OT-2026-000031573

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031573) never changes.

Identity and time

Publication numberOT-2026-000031573 · never reused
Internal UUID01a0ae74-87af-757f-a39b-53f3841f93fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031573
StatusPUBLIC

Content hashes

Canonical texta223eddca53935cab427d132031b7eec80f2c2e58fe15638881da73d73d52430
Markdown97af5de9479bf55a970bf624854204effd417b41e7c7bcb17f12351886673b28
PDF
Publication page96bcf3e2fd1ff73cc2bbffe0ab384db04e4092ddebe04919df5604113b9cabb7
Manifest2cf4c5d441cc6eb4c1e80da5ca602f7ffae0a42e9fda31caed1ef8142c358e46

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
SignatureBD/Z+d9zZX7VJBV35n+NxtSXClmsQkflf9JNwPx1jVmkHSj2vsBeB1yQDsvR3ubEQsf6oEZtgnc/IuxeCDnMDw==
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

2026-09-17T11:36:25.429958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031573
observed 96bcf3e2fd1ff73cc2bbffe0ab384db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.412493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031573/manifest.json
observed 2cf4c5d441cc6eb4c1e80da5ca602f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.396617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031573/publication.md
observed 97af5de9479bf55a970bf624854204ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.378629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031573/publication.txt
observed a223eddca53935cab427d132031b7eec...
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.