OpenTechnical

OT-2026-000095125

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000095125) never changes.

Identity and time

Publication numberOT-2026-000095125 · never reused
Internal UUID01a0ae9f-8f6e-7bee-84a1-c13f256abb04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095125
StatusPUBLIC

Content hashes

Canonical textf128b2321686025abfaed317de8c8127479fa3bdb68d85887e25b7156db7a2d2
Markdowncff2bd8d6ac6d208ad70f827441c899648bb1dd7a2d5e30ac04028eeb927145e
PDF
Publication pagec47f7c9ca5450c975d26d8aab0ce12e91db84d48ec0c12d8918a011461d764d7
Manifest7b0ecc17d685893f41e3ee03c2fb504e5ee56d880dd69d7fe16617d3a9de8363

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
SignaturelxgYoJJJjZHz6LV2ulBe4l2m8QcwAbZ5olXX+W51ClL5dS6YUtUG6P1jLuszm5g7Nb/TejaADIfhelTDgUzaCg==
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

2026-09-17T09:36:25.093953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095125
observed c47f7c9ca5450c975d26d8aab0ce12e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.076502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095125/manifest.json
observed 7b0ecc17d685893f41e3ee03c2fb504e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.059489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095125/publication.md
observed cff2bd8d6ac6d208ad70f827441c8996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.041956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095125/publication.txt
observed f128b2321686025abfaed317de8c8127...
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.