OpenTechnical

OT-2026-000010286

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000010286) never changes.

Identity and time

Publication numberOT-2026-000010286 · never reused
Internal UUID01a0ae6b-cb7b-7253-b689-8d5dc7cc7e4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010286
StatusPUBLIC

Content hashes

Canonical text5cd998009fd75b69d07f3dd0b0c08c2ee6871b9c69e379bcf440c6335cb47452
Markdownfea17920ea027be9f894c58e69baaed884016d2f65d03994338dd59ff223f3ab
PDF
Publication page90ab502a1b5955ad91bc744bd193f4fa7140e63bcc7b9e258228960aa9c76d2b
Manifest8ee358018ca0e08b48f54af0fa8efde08c80dc2a72c7e5f403a7e33bdbe67c7e

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
SignatureAtOxkXt0rx0njMhM5zGmXU2EtfLg4i0OtMY9EKubF+7/qlv5UC8OJa+IJMDnICpPmQt6/IgSzkGebYYq0/8mCw==
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

2026-09-17T12:16:30.933357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010286
observed 90ab502a1b5955ad91bc744bd193f4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.916778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010286/manifest.json
observed 8ee358018ca0e08b48f54af0fa8efde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.899285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010286/publication.md
observed fea17920ea027be9f894c58e69baaed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.882378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010286/publication.txt
observed 5cd998009fd75b69d07f3dd0b0c08c2e...
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.