OpenTechnical

OT-2026-000095731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000095731) never changes.

Identity and time

Publication numberOT-2026-000095731 · never reused
Internal UUID01a0ae9f-fac5-79b3-a175-27414da1276a · 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-2026-000095731
StatusPUBLIC

Content hashes

Canonical text9706b23022bbda8bb670ea7b0f11311c1c7b77b5a85bd79d32aea39de2e17354
Markdownfe13a52f61e3ba76b4de2b7ac0bb734b92c398ebe8a6b5173a8f018b6603f13b
PDF
Publication pagec8673256ea6e0e62e4f19d5b39f51b5a5282d056cf9f8f85dc69709bd5a58b5f
Manifestd403a3b5adfac19b8a18d5b51409089d9f2444d853b0fa7ff269a1868156600f

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
SignatureDEMfXeaKpd7/5kHBuhymzimJfVTEPFZ+mpPy6VfvtmEtPBEKnw9/0+gzXR+Ek+bbkGqLYyCAHkWQDqRgco9VBw==
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

2026-09-17T09:35:17.559654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095731
observed c8673256ea6e0e62e4f19d5b39f51b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.542197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095731/manifest.json
observed d403a3b5adfac19b8a18d5b51409089d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.522994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095731/publication.md
observed fe13a52f61e3ba76b4de2b7ac0bb734b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.503629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095731/publication.txt
observed 9706b23022bbda8bb670ea7b0f11311c...
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.