OpenTechnical

OT-2026-000050627

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000050627) never changes.

Identity and time

Publication numberOT-2026-000050627 · never reused
Internal UUID01a0ae82-5c4a-7feb-afcd-2c0057fa4138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050627
StatusPUBLIC

Content hashes

Canonical text9fa312472e165c53c9c9d65fe61fb1cb61d8647067a311c4c86932dcbad3aec1
Markdown43a670a94b96280b433e2f7e9869718ab7eecb2e0f7a63e0fc5d3bb4a854a431
PDF
Publication pagebbef56dce7c36a006b866d227d36535fe2d742115c37c6d1b9678608f4216a1e
Manifest6129c7ee5ce798494cf3f8d1603152271641a0335c7db2d232225e333fdb0344

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
SignatureZGfD2nv1vexwmHHV8vfeOG6KkIJM0s/NNHp71HWrv5o10geUa1x477yppVDkfZD4Ea2kB+Db5FaHfgonbMT2Aw==
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

2026-09-17T11:01:44.519834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050627
observed bbef56dce7c36a006b866d227d36535f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.502483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050627/manifest.json
observed 6129c7ee5ce798494cf3f8d160315227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.483271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050627/publication.md
observed 43a670a94b96280b433e2f7e9869718a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.463012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050627/publication.txt
observed 9fa312472e165c53c9c9d65fe61fb1cb...
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.