OpenTechnical

OT-2026-000091411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000091411) never changes.

Identity and time

Publication numberOT-2026-000091411 · never reused
Internal UUID01a0ae9c-f16d-7294-809d-38b0771f2a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091411
StatusPUBLIC

Content hashes

Canonical textdfcc239f7195103144a27ff54001dd56699285f0bf6ad10c49a98436e9da8698
Markdown5d65ca5f51d9d79b89bd139002028cc143e7dc21d4d138dda19dde53f7b96c4e
PDF
Publication page9bae8c88f73527e1701ad37d047c53eeee4af49a2802819e3de122565a2b3227
Manifest9d989efffbd0c7a5775c4d229cacbcefaee197f55b2ea0f3a77cd281c6080048

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
SignaturehREnE3TaVPQ4hUKlL24850lCiYlsKcMt1FHm14sLJ/WfHBsUrIWtWPjl1B+O+MukOMXWhzFdFVMYup/iJ5w+DQ==
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

2026-09-17T09:43:38.720099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091411
observed 9bae8c88f73527e1701ad37d047c53ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.687468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091411/manifest.json
observed 9d989efffbd0c7a5775c4d229cacbcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.669433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091411/publication.md
observed 5d65ca5f51d9d79b89bd139002028cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.651566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091411/publication.txt
observed dfcc239f7195103144a27ff54001dd56...
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.