OpenTechnical

OT-2026-000030925

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000030925) never changes.

Identity and time

Publication numberOT-2026-000030925 · never reused
Internal UUID01a0ae74-3fb6-7a8d-9521-45ad9b35db65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030925
StatusPUBLIC

Content hashes

Canonical text20b64abf424b4682a41778ff7fb3704ba94117c47eb839477d90da15b459cb28
Markdown85f3d4d8a716fc1a1a6e1f86abdccb223c711bc3e4eec1271575b4191ca17e70
PDF
Publication page08b0ce7721cba006886079475973e11bd2cc96801b5315efa07d52fd6a87d2bc
Manifest72359847f829bdb0f9649c10456b4d9402b67593f63798af926206309c7ed15b

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
SignaturehFcuMs3QB1uC0Z6FOYeVU8nnTU/o4+9pE8aFqPR4NBpFmK3fIU8G2TfkJmq4nmY2xXJW6cCDDKJHzLPfzkwqDQ==
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

2026-09-17T11:36:41.512181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030925
observed 08b0ce7721cba006886079475973e11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.494426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030925/manifest.json
observed 72359847f829bdb0f9649c10456b4d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.460558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030925/publication.md
observed 85f3d4d8a716fc1a1a6e1f86abdccb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.441116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030925/publication.txt
observed 20b64abf424b4682a41778ff7fb3704b...
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.