OpenTechnical

OT-2026-000061742

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000061742) never changes.

Identity and time

Publication numberOT-2026-000061742 · never reused
Internal UUID01a0ae8b-b8aa-7966-bdba-72819d2d1c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061742
StatusPUBLIC

Content hashes

Canonical text19614346541dff4d1440b8f760f9acb71555ff9953cb923df02ece43fe9f0f62
Markdown39ecd0567e3c57a4a7db7e3fff91a6d14bb240cad4ef966a91ccc22716d910a7
PDF
Publication pageceb903e1f2abe62fb6aecc122694abe0fc716da81e5f890336425d1ccb40226b
Manifest035797455fe88a74d3828a2692d2f7b4f0b9f0625dda4dca20fd94cdda56ce06

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
Signatures7QWdc6q3gwP7cfkbagOrmhhz9qJgOjQcG9WXN8joy2SS4c9s9zxCwzOY3+FjAdOL8lXKam4aBU7yHijfwByDQ==
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

2026-09-17T10:40:26.279588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061742
observed ceb903e1f2abe62fb6aecc122694abe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.135318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061742/manifest.json
observed 035797455fe88a74d3828a2692d2f7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.112419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061742/publication.md
observed 39ecd0567e3c57a4a7db7e3fff91a6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.090599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061742/publication.txt
observed 19614346541dff4d1440b8f760f9acb7...
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.