OpenTechnical

OT-2026-000086142

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000086142) never changes.

Identity and time

Publication numberOT-2026-000086142 · never reused
Internal UUID01a0ae99-e82b-7294-a379-76a524d684c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086142
StatusPUBLIC

Content hashes

Canonical text2c95d2a83d9569430a2d0d480f56797b2a79ec48e656fa7232b8b26623e75357
Markdown7462473fd81c7cf8567cd17352457c531b71584c99c1f8dedb06142b727deb94
PDF
Publication page8718b5b682b399a181837a23eab16bf0af0efe12075ebf4bf4fc4d390cacff22
Manifestd3d1e40e9e5163081443865f1be8abf94be43508b2bda34312779231234b4aec

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
Signature+hjaobQdBwGVgGBDJSyRPL9kNfrncRg+v+euOg9gfUM0aVROBzsHGNBXNNpkZBwY6IPgS0BiVlNvixHFvAX6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:48.494344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086142
observed 8718b5b682b399a181837a23eab16bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.477170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086142/manifest.json
observed d3d1e40e9e5163081443865f1be8abf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.458580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086142/publication.md
observed 7462473fd81c7cf8567cd17352457c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.441025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086142/publication.txt
observed 2c95d2a83d9569430a2d0d480f56797b...
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.