OpenTechnical

OT-2026-000013318

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000013318) never changes.

Identity and time

Publication numberOT-2026-000013318 · never reused
Internal UUID01a0ae6d-6fc9-770e-9608-63be1ee79042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013318
StatusPUBLIC

Content hashes

Canonical texte89d35b647c1bbc7fc9a4b0f01b62caad5e6e6ce6e086a807b9caecd3d86c7e7
Markdown8be77a581e2b96c30a64f760b2548a93b900125507f577966a45a95512d3e4ec
PDF
Publication page7bc7f7e8abf6a56ca1ba2eb0197e4fb132553253718b045384ad1bc6cf0b0681
Manifestb8b67e82ffcecc481446c08ce06b654f41cdbf0b2ecb3bdb5971359ae47b86ff

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
SignatureiYmJ7Zv2+3F/QJFaXkiW6QyO3lKJtnLzrrpdHivSqUywEiB9m2IT0O1CzBi00BUoND5+A9i3fN8lS+UKnxQsBg==
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

2026-09-17T12:09:45.072226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013318
observed 7bc7f7e8abf6a56ca1ba2eb0197e4fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.052488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013318/manifest.json
observed b8b67e82ffcecc481446c08ce06b654f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.032706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013318/publication.md
observed 8be77a581e2b96c30a64f760b2548a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.011948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013318/publication.txt
observed e89d35b647c1bbc7fc9a4b0f01b62caa...
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.