OpenTechnical

OT-2026-000015128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000015128) never changes.

Identity and time

Publication numberOT-2026-000015128 · never reused
Internal UUID01a0ae6d-ef47-70e6-8a00-daa81cf9472c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015128
StatusPUBLIC

Content hashes

Canonical textbacdeb2c3da29d65f4bb9d643c658e8a6b7822a8baab0cab69852b8a3fc5d59a
Markdownf036f59aca2a0f9c011255440f83d46213a40f9212aadd54ba7d8177b26e65b1
PDF
Publication page28f71cbb9637ff3a61a9f2982724776744b262363f3987a7528c0c3ba2cdb791
Manifest512d870085413a23da039cbfb651583e66ea8249bada367728267cf8d702b017

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
SignatureUvfIt63oQGHQs0GpXcYeVfo7KJsxBefj59/vkZWrFxxT7IDmfOFzR3dHSveXV3nO/ie2FULOvdhGXRZY4ocoBw==
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

2026-09-17T12:05:43.524917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015128
observed 28f71cbb9637ff3a61a9f29827247767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.506088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015128/manifest.json
observed 512d870085413a23da039cbfb651583e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.486109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015128/publication.md
observed f036f59aca2a0f9c011255440f83d462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.465896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015128/publication.txt
observed bacdeb2c3da29d65f4bb9d643c658e8a...
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.