OpenTechnical

OT-2026-000015344

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000015344) never changes.

Identity and time

Publication numberOT-2026-000015344 · never reused
Internal UUID01a0ae6d-ef49-7b41-b2eb-869e8e48a22b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015344
StatusPUBLIC

Content hashes

Canonical texta69b9df3748368b6106db1b95f4ee42542b5101be89aaacaaa41f480135b5475
Markdown776584229c76d434f4028e3b631696a147cfc7445b0aec1952e95fff055201f1
PDF
Publication pagedfb5bc68cb92ea3ca4b503aac2cf0367e0c92fe8049e90a6b978eeb8eb5d79b8
Manifeste9ccd7b848a120bb3f864a02ee857da770d0ccd54c6ac3d0cf6b9cf73ce99215

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
SignatureQTiZacYQFZ6mhyOPG+ACL5zgoeyeVUtPYya7Jqxu492zCgGnqHOzLfMj/6FNXJOQmKNAom7CV26cS+TFPpDQDA==
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

2026-09-17T12:06:02.849912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015344
observed dfb5bc68cb92ea3ca4b503aac2cf0367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.829127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015344/manifest.json
observed e9ccd7b848a120bb3f864a02ee857da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.809173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015344/publication.md
observed 776584229c76d434f4028e3b631696a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.787671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015344/publication.txt
observed a69b9df3748368b6106db1b95f4ee425...
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.