OpenTechnical

OT-2026-000068480

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068480) never changes.

Identity and time

Publication numberOT-2026-000068480 · never reused
Internal UUID01a0ae90-2481-7512-9ec1-4b8290c85277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068480
StatusPUBLIC

Content hashes

Canonical textea2c7d12567a18bccd1fae824d798b29bfc1ed3dbfa28a9e5b6897f0b1d30cb7
Markdown28dd915a97d87af528868394ee5bf882a0dcb0c424d8a29e290ae6376ea98055
PDF
Publication page28c92e05d5edaede4233aab83f6973a120aa6bd85366183541dbb104bb2aa39b
Manifest1dc92a1eee168741f2adbe05557e057f8959da0a569169de978c7156e96bfd95

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
Signature3lIicQPZz+9mryVVNsko3nnO3VNHECwueYAkWyYK3rB0+zBArzT4jgBOsYvuUu9MHIpBrw2tXXiVBFA9cQQ9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:37.936846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068480
observed 28c92e05d5edaede4233aab83f6973a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.921137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068480/manifest.json
observed 1dc92a1eee168741f2adbe05557e057f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.905528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068480/publication.md
observed 28dd915a97d87af528868394ee5bf882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.889131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068480/publication.txt
observed ea2c7d12567a18bccd1fae824d798b29...
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.