OpenTechnical

OT-2026-000032148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000032148) never changes.

Identity and time

Publication numberOT-2026-000032148 · never reused
Internal UUID01a0ae74-f7a5-7eda-bfcd-0051a293846c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032148
StatusPUBLIC

Content hashes

Canonical text3c6757698b669644f0947aa489cdcbca1f571442843fa20829b1507d4a9332c9
Markdown11876660b8438b08ab01d17b22b608686eea74e55157293fc0c2aa3badf78ac4
PDF
Publication page333a81eab4da09c1cccc993603a879b8793f9c27834b71194f64b1f4a83c1868
Manifest8b7039303333f89400c07bc8a7b7349fe61154e65372d2c0b4c4eee9e500fecc

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
SignatureeehBzjx1fpx/M50wl31fVRjeK/aDtLMT8qs/+gu0xkpuiirmt5UGvBofznN9U9TbjDbDkCrY+1/RqVrJdZW/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:28.240286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032148
observed 333a81eab4da09c1cccc993603a879b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.220681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032148/manifest.json
observed 8b7039303333f89400c07bc8a7b7349f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.202442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032148/publication.md
observed 11876660b8438b08ab01d17b22b60868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.181859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032148/publication.txt
observed 3c6757698b669644f0947aa489cdcbca...
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.