OpenTechnical

OT-2026-000101868

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000101868) never changes.

Identity and time

Publication numberOT-2026-000101868 · never reused
Internal UUID01a0aea4-50f0-7166-9187-1e74c581d6e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101868
StatusPUBLIC

Content hashes

Canonical text0406959ba2e71ecdbb3c1e5bfa0162f2feb7b916128b4068c4c7fcb745aac040
Markdown7f11261f5b9761c34f1f5d0121a35c47275e6e8db26a4dd5744f631af2d87a40
PDF
Publication pagebad3a394342208f21c28284240e6ae551bf34c8f5ac9296f3b7837ea31be1a07
Manifest3467756235e9f14b8728a32c2f1cbec03a2038bd56ca8bdd61cec1fef480c2ab

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
Signaturea2Dvp96MBCU8dL3dNH1dumgGZUwRjboEwFbNjTWEgA8apTrIBh3xLkY+pqfcWMIpvI7EO9gk5Y+0Sh1S4leNBw==
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

2026-09-17T09:24:28.411120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101868
observed bad3a394342208f21c28284240e6ae55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.393568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101868/manifest.json
observed 3467756235e9f14b8728a32c2f1cbec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.368894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101868/publication.md
observed 7f11261f5b9761c34f1f5d0121a35c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.347646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101868/publication.txt
observed 0406959ba2e71ecdbb3c1e5bfa0162f2...
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.