OpenTechnical

OT-2026-000031014

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000031014) never changes.

Identity and time

Publication numberOT-2026-000031014 · never reused
Internal UUID01a0ae74-3fb7-7b8a-bd28-bb24d5229a2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031014
StatusPUBLIC

Content hashes

Canonical text9f2290805ff7492d2822e06736625eee8058f7fdfc9d25484b5279ebc6de6e23
Markdowncd2f71a9a2b82c65145ee1a41a1e0c504875b2cbc2362763fa20263bc4a417a2
PDF
Publication page330c8eb7ad0d1dbf70100bb6de9c006c3006266b86cc6c867358afa8dcf49d33
Manifeste1cc4ddfe13a16256c56e14e9d922a66aad7087c51bcfbbddc96f7c07e80aa64

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
Signaturek+qbJwdJIOXAVEFoUD5q1XeapryP2v90oK5Tnq6S6uW5Mp1LhYSfBH68MfLszBkw09fHB+kajPnW3hj3VVicAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:06.300300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014
observed 330c8eb7ad0d1dbf70100bb6de9c006c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.277331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/manifest.json
observed e1cc4ddfe13a16256c56e14e9d922a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.259817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/publication.md
observed cd2f71a9a2b82c65145ee1a41a1e0c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.231443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/publication.txt
observed 9f2290805ff7492d2822e06736625eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.355973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014
observed 330c8eb7ad0d1dbf70100bb6de9c006c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.336007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/manifest.json
observed e1cc4ddfe13a16256c56e14e9d922a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.315477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/publication.md
observed cd2f71a9a2b82c65145ee1a41a1e0c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.298956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031014/publication.txt
observed 9f2290805ff7492d2822e06736625eee...
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.