OpenTechnical

OT-2026-000017827

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017827) never changes.

Identity and time

Publication numberOT-2026-000017827 · never reused
Internal UUID01a0ae6e-96fb-7715-955b-42f179a5c4cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017827
StatusPUBLIC

Content hashes

Canonical textd737bf9f7b46434ec7c2855271951c22d6e0848980759f77d87a1b5926984c69
Markdown3ab4f01b3812ff3fff58fd5648b01f28915a2980d13acfba1935a82385d3077e
PDF
Publication page7467e55adf53a42421eed6267e3e57d776207baa1371d6c61c4f7931a27383e4
Manifestf60096acf90183fcd0f3d5a2e05ca782ed7387c11b4afc1ba2ee324afd698faf

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
Signature1Y3adu7Lq7KupIxHB6Fp7lPhoaMkqs0bIzOwR3EqZJanwh/n70Fd2O3yVSgUayyFteHziW052rU5boqzX/kpAg==
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

2026-09-17T12:01:48.072887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017827
observed 7467e55adf53a42421eed6267e3e57d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.054268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017827/manifest.json
observed f60096acf90183fcd0f3d5a2e05ca782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.036666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017827/publication.md
observed 3ab4f01b3812ff3fff58fd5648b01f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:48.019298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017827/publication.txt
observed d737bf9f7b46434ec7c2855271951c22...
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.