OpenTechnical

OT-2026-000100237

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100237) never changes.

Identity and time

Publication numberOT-2026-000100237 · never reused
Internal UUID01a0aea3-3053-7dc1-8de3-76e08d783d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100237
StatusPUBLIC

Content hashes

Canonical textc32efb478ca9c705bfb5a355d4cb9d634bdda87102f0fb067eaa85475ca35fe7
Markdown129e918fb5b1cecb1c83ee33305ad6fbc6056b257d774335e90f1136f83d9768
PDF
Publication page363d96531a25fb079c25952b0845002ba68837281f3142a9ce71dcfaec74b062
Manifest719acd0994dc16f7a10b476ef128798cb17f10a1e24644503846d60f6822e9dd

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
SignatureDzeVB2k+COu4ruPKzF5U5Daj6mV3U6z5HTYHgHH4U1PEtKgncCUJ3UaCsutzQLAXDNBePISGNFJ5ndEI3D56Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:02.137019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100237
observed 363d96531a25fb079c25952b0845002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.119445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100237/manifest.json
observed 719acd0994dc16f7a10b476ef128798c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.100148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100237/publication.md
observed 129e918fb5b1cecb1c83ee33305ad6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.079794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100237/publication.txt
observed c32efb478ca9c705bfb5a355d4cb9d63...
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.