OpenTechnical

OT-2026-000103045

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000103045) never changes.

Identity and time

Publication numberOT-2026-000103045 · never reused
Internal UUID01a0aea4-be3d-7d96-935c-f816e1f61c39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103045
StatusPUBLIC

Content hashes

Canonical text39ceefd970397ad13bfad190193bf38ef3175cd3ba3ecbb3e970e948524e0c1d
Markdown13ba4d404b524e125e588a33ad8338f7cf7ea64ee1fdf660ff5394d2a709ae58
PDF
Publication pagea449bd9d53a05b514ee34d9d9000ab7216b885ba40da88d07dedde20bd494b09
Manifest1841b6d9fade88783b9735e6150ef334f34fcfe3328ac759c60128e935d2a0a6

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
SignatureBzSR1DTwmrNSYYWr0ffEkrISeR6j5ekkrItJADbrfX4igDHzcrUt/c2bn5c6sUBsj6FBGydOcw7G/jwpUpffAQ==
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

2026-09-17T09:23:10.191392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103045
observed a449bd9d53a05b514ee34d9d9000ab72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.172381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103045/manifest.json
observed 1841b6d9fade88783b9735e6150ef334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.153424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103045/publication.md
observed 13ba4d404b524e125e588a33ad8338f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.135981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103045/publication.txt
observed 39ceefd970397ad13bfad190193bf38e...
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.