OpenTechnical

OT-2026-000095799

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000095799) never changes.

Identity and time

Publication numberOT-2026-000095799 · never reused
Internal UUID01a0ae9f-fac6-78e7-bcda-e2630f7cc9e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095799
StatusPUBLIC

Content hashes

Canonical textc77d1c0a569b835241ca76eed0389e264cebe07e9630d8593aad8e84b308e2db
Markdown5ff7fc23ba16622f55d7b43fa3d954a716c562becda5d6a6633979b80d56310e
PDF
Publication page933bc228e729f450542382e8677f34a289f77f7710f34fd16bc285f1358e020f
Manifest0e150a7121d88c45977c3a971d7b50198ead8a15c9a0edea88814e01d8d5c571

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
Signature7r1ROM4JLRC+GO0jnoJAJdKQ6Q3VWA3eoWbq8l+Sr61V0d2F+neAR9c47tlEGDAxg8IXIKL9PEcpjFt5LjG2AQ==
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

2026-09-17T09:35:52.370271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095799
observed 933bc228e729f450542382e8677f34a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.353676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095799/manifest.json
observed 0e150a7121d88c45977c3a971d7b5019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.336201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095799/publication.md
observed 5ff7fc23ba16622f55d7b43fa3d954a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.318746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095799/publication.txt
observed c77d1c0a569b835241ca76eed0389e26...
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.