OpenTechnical

OT-2026-000080967

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000080967) never changes.

Identity and time

Publication numberOT-2026-000080967 · never reused
Internal UUID01a0ae96-b975-7e7c-a212-b89c31f08070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080967
StatusPUBLIC

Content hashes

Canonical text1b4cc646e3b056a2c38931baa2f3fcf4e42760d8270b8d2a8b568f6da2425ea7
Markdownd9d514a0a6f50b952f220e3c6e13b535926f4d50c2b8262343b5283269ae838f
PDF
Publication page0379f44627b343c06dc525c71b65dfdca5b805b846242356f868b657eb17df12
Manifest8c5ad90b74bd0247d1c7b133487c1093ccd8cd76eead7409e0c2095cfbddfe85

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
SignaturerBkWUzrTZA2TzgVcLKW2rkHsMcmnOfS6kWQFO4dNaBs9kI+2Gl9fA4moU5lOnHxhXR/nRgIlYoKbo2QfYWU1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:15.001489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080967
observed 0379f44627b343c06dc525c71b65dfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.983991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080967/manifest.json
observed 8c5ad90b74bd0247d1c7b133487c1093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.966505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080967/publication.md
observed d9d514a0a6f50b952f220e3c6e13b535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.949051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080967/publication.txt
observed 1b4cc646e3b056a2c38931baa2f3fcf4...
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.