OpenTechnical

OT-2026-000012017

Publication integrity record

Three cup vacuum gripper, three 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-2026-000012017) never changes.

Identity and time

Publication numberOT-2026-000012017 · never reused
Internal UUID01a0ae6d-1943-748b-9680-a3834b02eae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012017
StatusPUBLIC

Content hashes

Canonical text56c270ee90ff594767efcb20c17d5d2d878e055d0ce9ec1c101eec80880be869
Markdowna456f05c3b18496d99d04e9684cda48b7b5e31187d1eafc14699e831b1434a93
PDF
Publication page6aa6a7f505460639100351566ca99b21c47af912554f7933dfc5189b6f3d33b6
Manifestf19a87951e69ef7ad3188f316121a345a0843822a3d2c5cb5f8a60bfa237e22b

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
SignatureF6CrHG3iGL2d6LYp+xrqdw4QB5y3wjz3gwAJWLIfkG2BLh9OVx94DnNqxQ92nCwgHT5I4X7PsSPs8ic2SH4DCg==
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

2026-09-17T12:12:53.175739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012017
observed 6aa6a7f505460639100351566ca99b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.156123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012017/manifest.json
observed f19a87951e69ef7ad3188f316121a345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.137545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012017/publication.md
observed a456f05c3b18496d99d04e9684cda48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.118146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012017/publication.txt
observed 56c270ee90ff594767efcb20c17d5d2d...
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.