OpenTechnical

OT-2026-000080677

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000080677) never changes.

Identity and time

Publication numberOT-2026-000080677 · never reused
Internal UUID01a0ae96-b973-7d67-acda-1d5c5c2aaab8 · 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-2026-000080677
StatusPUBLIC

Content hashes

Canonical texte7e8591bbf719a12e5735a09683d78dcb26843e69d12c1d48d67baf777d01929
Markdown615db77aae04143f528f6bec087ea12e3f60f4ebdadfac87456c7d1f7ac41022
PDF
Publication pagedde0162b1dd64dd8c203dcde66e1790e7801a3326d6702940c143c61819a1385
Manifest6e84d18135b07cb44ddff8e4eb9f709eb7d380e1314e792ace0810dd99901c54

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
SignaturefUl8dehN5gJoZljZuUlpwrJ3CY22RCJW70VYcskYxrjYA3YGwHTmW6RqcLDVsqjrZuabIBJcer6YLPsECAUdDw==
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

2026-09-17T10:01:42.561163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080677
observed dde0162b1dd64dd8c203dcde66e1790e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.543002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080677/manifest.json
observed 6e84d18135b07cb44ddff8e4eb9f709e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.526206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080677/publication.md
observed 615db77aae04143f528f6bec087ea12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.507179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080677/publication.txt
observed e7e8591bbf719a12e5735a09683d78dc...
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.