OpenTechnical

OT-2026-000100007

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000100007) never changes.

Identity and time

Publication numberOT-2026-000100007 · never reused
Internal UUID01a0aea3-1474-70aa-8b40-7aeb7ca9d3ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100007
StatusPUBLIC

Content hashes

Canonical texta8924ceb5eb3124649766d3af2609b13670b108a3a37257f09806377ee212ecc
Markdown9b483764b1616678b07d1901396f4d7b34847c583313edd8ff302726fe3e90b5
PDF
Publication page936f8238085ed0b7d7e4e3c32bc869a0c382c7b4b74ecf6b813766aae9e23192
Manifestcae7f4c80f747619e36c4e6b1c182eac1ddfa34915aae396793e0447ce47cd2b

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
SignaturexArvKWsfuNdLqJ7v5mzi77vom3BO8yrPJY59TMdBldHlJj32RLfPjAY8lgpvQYW9n4R2fB53zetW9k7uOXHqDg==
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

2026-09-17T09:28:56.421840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100007
observed 936f8238085ed0b7d7e4e3c32bc869a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.403751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100007/manifest.json
observed cae7f4c80f747619e36c4e6b1c182eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.386224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100007/publication.md
observed 9b483764b1616678b07d1901396f4d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.369406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100007/publication.txt
observed a8924ceb5eb3124649766d3af2609b13...
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.