OpenTechnical

OT-2026-000013045

Publication integrity record

Two 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-2026-000013045) never changes.

Identity and time

Publication numberOT-2026-000013045 · never reused
Internal UUID01a0ae6d-5564-7f02-a2bb-1b58f1175178 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013045
StatusPUBLIC

Content hashes

Canonical textda9dde9c5ef1b22e6ce6a2d2471f22cdb51302c03381101a6251ee646f9afb4a
Markdownd2131990ca65e2931308f4706fe1d99b8c57ab168ddb8a3ca39d52da7317e333
PDF
Publication page655417f437fa3e3d18708534d0ba44846ebe6ab82865f1f656f5b55ba7e4ffd5
Manifest23e708a77c14465016357b4cbfad0b2aa79c483966cff93172914a1ad7294b38

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
SignatureQhFbphqYzouJcQAg6CzizFMG/cvVe3l7c8ipWPuM2RVpErV/Wvm6qkYtBEGEQRZQQ7G6n+CC4zvBsRlUP2pJDA==
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

2026-09-17T12:10:52.680375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013045
observed 655417f437fa3e3d18708534d0ba4484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.663301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013045/manifest.json
observed 23e708a77c14465016357b4cbfad0b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.644527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013045/publication.md
observed d2131990ca65e2931308f4706fe1d99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.626065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013045/publication.txt
observed da9dde9c5ef1b22e6ce6a2d2471f22cd...
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.