OpenTechnical

OT-2026-000058436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000058436) never changes.

Identity and time

Publication numberOT-2026-000058436 · never reused
Internal UUID01a0ae88-f39a-762d-a32c-3ba44dd6a97f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058436
StatusPUBLIC

Content hashes

Canonical text0f3c6a9c54470dde240ceafa9f71400582db39b1d8041c66feac9093bf396d08
Markdownc77db728c6e949da92375678aca1c06d591ac8deb38b1888d5aa7fc67285aa2c
PDF
Publication pagea520b97e1aebad8bbcf19f2f181a06b26f40e09afcf56bbb8fcad7cc189f7899
Manifest5e77ece967d8337c3b66be03e9996010e590bb409d01edd21ec718e99b34d5f1

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
SignatureNRTqnacjqb/VI3urON+mjwBSpTVoltD8rIzYugyvHlrA5kM9Tv+KcccCpX6vNFUF6Xfeu2Y5HSc4duXNybZHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:52.629816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058436
observed a520b97e1aebad8bbcf19f2f181a06b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.613280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058436/manifest.json
observed 5e77ece967d8337c3b66be03e9996010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.596193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058436/publication.md
observed c77db728c6e949da92375678aca1c06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.578448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058436/publication.txt
observed 0f3c6a9c54470dde240ceafa9f714005...
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.