OpenTechnical

OT-2026-000013350

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000013350) never changes.

Identity and time

Publication numberOT-2026-000013350 · never reused
Internal UUID01a0ae6d-6fc9-7ef0-a644-36421c4ddb5d · 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-2026-000013350
StatusPUBLIC

Content hashes

Canonical text37a9c90e1d261ae5d7caf62d7b5817ff5ee8a77c184cd22936e80bfda2f4bdb6
Markdown9ab1979604be6e4208ac8c1341625ad088afb5b76e8e546caefe4aa95e796fef
PDF
Publication page08231f9cab29bc76374b804dce9559bf70770615a2969fafdbbef3dca6fa635d
Manifest7d032ca51e6dd20e393f31d2e71b7ec5dfaff884d6f9a15fc0922e4546cf49dc

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
SignatureIpHr7XKteloW/pOtsWRkFukMF+UauydNN9rKDj8rOlBMmYxLwbZesghEzhukbI3Nl8KrA0CceGiZqVq4ZXc4Cw==
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

2026-09-17T12:09:47.886609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013350
observed 08231f9cab29bc76374b804dce9559bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.866454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013350/manifest.json
observed 7d032ca51e6dd20e393f31d2e71b7ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.846439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013350/publication.md
observed 9ab1979604be6e4208ac8c1341625ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.827575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013350/publication.txt
observed 37a9c90e1d261ae5d7caf62d7b5817ff...
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.