OpenTechnical

OT-2026-000029930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000029930) never changes.

Identity and time

Publication numberOT-2026-000029930 · never reused
Internal UUID01a0ae73-ac48-74c6-99c7-999030e55c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029930
StatusPUBLIC

Content hashes

Canonical text75ad577581ea2195e452c3a406164da385b62f50f5ef6c76e57f6ea4257ba944
Markdown31c346a5c2645c5ddb44cce33569107737e81f621a1b54967e0346be91e9f2ba
PDF
Publication page3153906c1ec6586bdaa93673469b43330c3775bd071973c61115156e992bad4a
Manifestdd9955bf4d8d38fb86e0109da335b6a2331b35bdafbf46e2217315ecd4e55b09

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
SignaturePH7/6wlUMz1KDVciGupcAw3/r4/+Wq/5KLRnS8RDZwj81HJjyRIZh0O1G0Zz3r0+GR8lQuuJEeLpw7cTzQAGAQ==
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

2026-09-17T11:38:38.398670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029930
observed 3153906c1ec6586bdaa93673469b4333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.380884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029930/manifest.json
observed dd9955bf4d8d38fb86e0109da335b6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.363395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029930/publication.md
observed 31c346a5c2645c5ddb44cce335691077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.347070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029930/publication.txt
observed 75ad577581ea2195e452c3a406164da3...
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.