OpenTechnical

OT-2026-000099928

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099928) never changes.

Identity and time

Publication numberOT-2026-000099928 · never reused
Internal UUID01a0aea3-1473-750c-9b13-6dd0a4afadcd · 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-2026-000099928
StatusPUBLIC

Content hashes

Canonical text2074196ebf6579471bc0d0c5bebce101f8287014e5e6e1bc8efa771b7ff4d5e3
Markdown2374cb758664a198a4629ae8f7e0843ddbadbe5041a3a9da8a487441b268a2f3
PDF
Publication page2ad878f87d87dedf0bf19e32bffe8348eba7f1d132a41371b40db9f564f2db4e
Manifestdd1c6f07ef43b75a6b644e591760b2a4970c756f75e49f521a2dffaaf3b74aef

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
Signaturet7aW5U4WGfffPvEbDS3Qv+8TU9QwBCDb914ipH4UEkkRGZUMPtHyeGaPnIoHM/x3l39jJsj0R/rB2Fw+G5lwDw==
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

2026-09-17T09:30:34.434440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928
observed 2ad878f87d87dedf0bf19e32bffe8348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.416690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/manifest.json
observed dd1c6f07ef43b75a6b644e591760b2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.399506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/publication.md
observed 2374cb758664a198a4629ae8f7e0843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.382367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/publication.txt
observed 2074196ebf6579471bc0d0c5bebce101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.991189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928
observed 2ad878f87d87dedf0bf19e32bffe8348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.974325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/manifest.json
observed dd1c6f07ef43b75a6b644e591760b2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.956665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/publication.md
observed 2374cb758664a198a4629ae8f7e0843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.939779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099928/publication.txt
observed 2074196ebf6579471bc0d0c5bebce101...
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.