OpenTechnical

OT-2026-000010830

Publication integrity record

Single cup vacuum gripper, pump fed, sustained 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-2026-000010830) never changes.

Identity and time

Publication numberOT-2026-000010830 · never reused
Internal UUID01a0ae6c-540d-747f-b36a-d7ee67d4f258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010830
StatusPUBLIC

Content hashes

Canonical textc1a95496cb4f05cd2a24894da0cd24a1b84868e5db23af44e741b0666da99787
Markdown2086520566c8da4b4d9d1afb43915716705cd44fc355fbd4a6e568e10a5b2b34
PDF
Publication pagee3ddd24e47f7a608c133fb25011d2a9924991e861201a33c589238c4cb8aff32
Manifest7b4d6de0c47ef62204d4394fe084c01e3d5d589e1b06995f034061c334294c62

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
SignaturefRDNtsLlQwX8pjzaUmkrZ3KrFgiSEr+YejldpHsQnaBV3IEYVaaRrNXIPk2TxU5vD9dfM6OQ6aKVIGQQpkSoCA==
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

2026-09-17T12:13:34.995051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010830
observed e3ddd24e47f7a608c133fb25011d2a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.975317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010830/manifest.json
observed 7b4d6de0c47ef62204d4394fe084c01e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.956445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010830/publication.md
observed 2086520566c8da4b4d9d1afb43915716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.938141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010830/publication.txt
observed c1a95496cb4f05cd2a24894da0cd24a1...
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.