OpenTechnical

OT-2026-000026181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000026181) never changes.

Identity and time

Publication numberOT-2026-000026181 · never reused
Internal UUID01a0ae71-a841-70d7-8391-f2e9c9bf3720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026181
StatusPUBLIC

Content hashes

Canonical text824ddd4ad574178d71bca3535f4cb6a948143ac1d901031c831f75b524687b5e
Markdown651f3fba1a823879bda0b026d07c64db0a182384684aade1764074b5eb8711e0
PDF
Publication pagefce21328ff863db458a2c0c47a1889ba7e350fb05bbc7655e8af8d693505090c
Manifest13e7505c3f1d6dbde787cec6c366d136646d88e8c9f49553605eef53b40fc2a4

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
SignatureWKd0iouiMyxhC7lH7kGJAt2M4T16CTu6AVk8V4p2ccVe3T/yZ+zzSl69yo5zS5rUnAeqmEe3q4F5xxa1GHVyCA==
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

2026-09-17T11:46:41.606135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026181
observed fce21328ff863db458a2c0c47a1889ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.589033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026181/manifest.json
observed 13e7505c3f1d6dbde787cec6c366d136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.570541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026181/publication.md
observed 651f3fba1a823879bda0b026d07c64db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.554616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026181/publication.txt
observed 824ddd4ad574178d71bca3535f4cb6a9...
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.