OpenTechnical

OT-2026-000016816

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000016816) never changes.

Identity and time

Publication numberOT-2026-000016816 · never reused
Internal UUID01a0ae6e-5919-7a68-ab87-b49ffeb77a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016816
StatusPUBLIC

Content hashes

Canonical textafdbd880fdc542e29d4926cddc48165e4351f06dea49dee0e7b8d845c2d3279e
Markdown6fd18dfb8e556f857623b40fe337386069b71b7cff7f5ad6039cd59097c5df68
PDF
Publication page49df786a0b893653688e491f0e90caa1eb08b809d89f8db12c119174814ce107
Manifest5874e17579b37a69b9ed51272d792e09fc3d979ea2dbae336956f0e2c10411f3

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
Signature8Fnc25sDIcY7HqV3xpKNiXU5w7u14yOoYS0MnzRKArNGYDCjA1lFY53vUzC5Ki+ZZ/cg9Do0GKEWokpxjmixDA==
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

2026-09-17T12:03:04.330639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016816
observed 49df786a0b893653688e491f0e90caa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.313559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016816/manifest.json
observed 5874e17579b37a69b9ed51272d792e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.296766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016816/publication.md
observed 6fd18dfb8e556f857623b40fe3373860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.281719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016816/publication.txt
observed afdbd880fdc542e29d4926cddc48165e...
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.