OpenTechnical

OT-2026-000032494

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000032494) never changes.

Identity and time

Publication numberOT-2026-000032494 · never reused
Internal UUID01a0ae75-106f-77c8-a99f-16cb54cbae2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032494
StatusPUBLIC

Content hashes

Canonical textdf38ed0982c4c05801dfd7854fe2604d93300eed4e8f4c1314ff2043872cf8d9
Markdownaaf33ee08939860d2f4260c539cce8306bb2dde0ddb1934b8a532ddbc7e0e950
PDF
Publication page5b5a0d191a2fc26b259307fdad043048ba831354874ed42d193de55e6c550221
Manifest823f74eb96d84e8aa3ece8c5acf8bf68e5ec67e0cdca69b7d31586c0e1c9f2b1

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
Signature4St3iY3A9Sb4KyuX7WzY8wNqq7Prlxrx8HTA2stLgytQ/y3IQeuP2m4jnnveT3NNByIkNHm0xkGVlolf4JyxBg==
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

2026-09-17T11:33:56.006950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032494
observed 5b5a0d191a2fc26b259307fdad043048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.989832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032494/manifest.json
observed 823f74eb96d84e8aa3ece8c5acf8bf68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.972148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032494/publication.md
observed aaf33ee08939860d2f4260c539cce830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.954097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032494/publication.txt
observed df38ed0982c4c05801dfd7854fe2604d...
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.