OpenTechnical

OT-2026-000095812

Publication integrity record

Four 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-2026-000095812) never changes.

Identity and time

Publication numberOT-2026-000095812 · never reused
Internal UUID01a0ae9f-fac6-7530-b5be-d6766cab5f32 · 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-2026-000095812
StatusPUBLIC

Content hashes

Canonical texteaf97867ca440ed9f51845f2b36fd2ef69651848f9efed3736169cef38cea0f4
Markdownbfaefb465ebb848b10426daaa27232a6d09da218ec681a5fc363a1bab208232a
PDF
Publication page6b08112c86f8bdd81d1499ace7d8c32944876c0595bf8023ca993e88a060b195
Manifestb4951de6960ae090387345aa4530bb6ed772ad31070acd822aac9a49326b86b6

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
SignatureB+TjA/XKrKw9udL8J7wc7cvXaEf3Cxt5Ia7Eb2qrB77FyXHF9rWDLLaZGdYe/lQQzpxVhIJUbR34MGcjnEMOBg==
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

2026-09-17T09:35:53.415273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095812
observed 6b08112c86f8bdd81d1499ace7d8c329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.396918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095812/manifest.json
observed b4951de6960ae090387345aa4530bb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.379299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095812/publication.md
observed bfaefb465ebb848b10426daaa27232a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.360768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095812/publication.txt
observed eaf97867ca440ed9f51845f2b36fd2ef...
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.