OpenTechnical

OT-2026-000063670

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000063670) never changes.

Identity and time

Publication numberOT-2026-000063670 · never reused
Internal UUID01a0ae8c-f946-795a-8b7d-a647d914a85b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063670
StatusPUBLIC

Content hashes

Canonical texta1cd76d62913ff6e7d7908c3bb92a078ed3c54f7412afacd754e0c8093a1f8f7
Markdownde9ab826bee76ecd296b8337c7a2353a87a41637ebe5babd2a1711bf6d3ff397
PDF
Publication page27777d4be14215994a1ab47849a47a746eec1ea92c24c3ede766540cf9e851bb
Manifest89aa2ce99c8777039d60d92da657f545df16de95c9a35eb8c7a347f0ccb86e89

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
SignatureOVUt9mAObTQT1/VZdc9/Rt5uIp4BtFe7YF7JPtAFSrtY8ErMwWepvybUCoEQwngeuYXE2/VU1qTJzUdxup9zAg==
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

2026-09-17T10:37:46.949618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063670
observed 27777d4be14215994a1ab47849a47a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.932323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063670/manifest.json
observed 89aa2ce99c8777039d60d92da657f545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.917503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063670/publication.md
observed de9ab826bee76ecd296b8337c7a2353a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.899872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063670/publication.txt
observed a1cd76d62913ff6e7d7908c3bb92a078...
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.