OpenTechnical

OT-2026-000013812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000013812) never changes.

Identity and time

Publication numberOT-2026-000013812 · never reused
Internal UUID01a0ae6d-8de9-7757-80bb-8f57360e435f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013812
StatusPUBLIC

Content hashes

Canonical textaa915897828c57c2599f2ed096d35c064280c6a3324e94112a036ee059f743ab
Markdowne8293b7389e1c01ffa5bb17f52672dcdcb23098015ffa8ba85151c9277241b7a
PDF
Publication page7ba2953c7b7b240e3816f84dc42a476cc326841ee01bc9406fe657221e1f4cd3
Manifest8f9b89a8f2cc00fa2a47919ebc87f50263ff9ab22be7d22bd78995507bcd3cca

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
SignatureWxmsIQY7OQfnJoYhW3dM1f3AQ8ZtKfNJJso+b8NnmPGVEY9YugTLG/N/qUxSFb6ClSQM08rnTae/0jZN/TXYBA==
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

2026-09-17T12:08:54.476357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013812
observed 7ba2953c7b7b240e3816f84dc42a476c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.455556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013812/manifest.json
observed 8f9b89a8f2cc00fa2a47919ebc87f502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.436736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013812/publication.md
observed e8293b7389e1c01ffa5bb17f52672dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.418258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013812/publication.txt
observed aa915897828c57c2599f2ed096d35c06...
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.