OpenTechnical

OT-2026-000022208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000022208) never changes.

Identity and time

Publication numberOT-2026-000022208 · never reused
Internal UUID01a0ae6f-f4fc-7742-afdb-2db2129c08e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022208
StatusPUBLIC

Content hashes

Canonical text6620110ef1ed0fac8b1a0c39c8e84237f210529d59bf7946edd92af5583ba13f
Markdowncd64081f55770656926602a3fa21c7e04e7960c3cd48a90dac227b6a788051df
PDF
Publication pagedad9770c1dd7ac3d83bc50fb28465e00ce995d527ffc8cd7ac6c96de0bfc8198
Manifestb94ca1bedbf0a2e55eac674de9a8c7a6e857247ae5d51d16ec7d526a8ecb159c

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
SignatureMUeNryixt8wpb43a0sFBw0KovI/3ewOf8mwp4X4dANPQnEWYoNCLfawDnzsKfuPZxzdtzBEJbcVESCsAMnS4Dw==
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

2026-09-17T11:52:53.657702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022208
observed dad9770c1dd7ac3d83bc50fb28465e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.640564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022208/manifest.json
observed b94ca1bedbf0a2e55eac674de9a8c7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.620969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022208/publication.md
observed cd64081f55770656926602a3fa21c7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.602012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022208/publication.txt
observed 6620110ef1ed0fac8b1a0c39c8e84237...
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.