OpenTechnical

OT-2026-000014078

Publication integrity record

Foam pad vacuum gripper, 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-2026-000014078) never changes.

Identity and time

Publication numberOT-2026-000014078 · never reused
Internal UUID01a0ae6d-8deb-7b4b-9b9c-3ba93ef06363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014078
StatusPUBLIC

Content hashes

Canonical textb5d1586ae80fa4c044da870736254ec87bf61706b9d88a97c6cffa2a85340d79
Markdownbc89224c1f1efa59b09649758ab15e477ff707e0ec4b83a8b21d4a82cdfe8e2b
PDF
Publication paged88a8bf55060a91792c7e0a235756d6cbbe03a84ca3ac140aaa7c543fb1efd9a
Manifest814febba667e592df0734b0e92f45a00ff062582d1de4b055ce16efd0cfbabb8

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
SignaturePkbxgsjTKd+FAiJNdH0dc3BwjzbqsOlB45sQ8msjieH99Z/+hTZjzsW/t9EKeMncZzPFglK2wX2H2cd8lx9jBw==
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

2026-09-17T12:09:19.677873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014078
observed d88a8bf55060a91792c7e0a235756d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.659148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014078/manifest.json
observed 814febba667e592df0734b0e92f45a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.640508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014078/publication.md
observed bc89224c1f1efa59b09649758ab15e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.622706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014078/publication.txt
observed b5d1586ae80fa4c044da870736254ec8...
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.