OpenTechnical

OT-2026-000029220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000029220) never changes.

Identity and time

Publication numberOT-2026-000029220 · never reused
Internal UUID01a0ae73-2aa0-753c-b4ac-16dbf631a324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029220
StatusPUBLIC

Content hashes

Canonical textf6910f319b2d311ff6451515339f399e8ee3a22c3940065477e5e3eb9a915515
Markdown2e9ec2f8e67d2986041c179594fe7c5a071663c0880c0ad0a5a1f65794a7c558
PDF
Publication page6ecc3a9215f056d3321d311c66e66678f77a0ebeb587a1ec3df2cfb4b3ac3320
Manifest2d2b8d5b07b1553efc83284249e9eadd0aa08a0c0994c5f9d7b5b2c30f1d288f

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
SignatureldgHfCBM0+5j3uwjhDm6Sh55Uo5yHt+yk6er0gJnlkqCdNCE56I15fmsC4+EacJItiS100KfNidjBXhUFwGxDA==
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

2026-09-17T11:39:50.456812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029220
observed 6ecc3a9215f056d3321d311c66e66678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.439299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029220/manifest.json
observed 2d2b8d5b07b1553efc83284249e9eadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.423282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029220/publication.md
observed 2e9ec2f8e67d2986041c179594fe7c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.402457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029220/publication.txt
observed f6910f319b2d311ff6451515339f399e...
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.