OpenTechnical

OT-2026-000019414

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000019414) never changes.

Identity and time

Publication numberOT-2026-000019414 · never reused
Internal UUID01a0ae6e-f393-7aa8-bf17-67b6e2559920 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019414
StatusPUBLIC

Content hashes

Canonical text81abfda5655e342fe9b0d19775164237f7edbede6f1c068d4ffda1a8a0438677
Markdown11b58646519becba0b41d059493bcfab895d234745a4d005596291112e2fcb75
PDF
Publication page4b486dc83b46b629759117b6add52d138a5e5cab81183608e9035d1587eed9e0
Manifest75e038d769d026974449ecb4e34421c0402297e3da07441a23f4422e7cc20985

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
SignatureOSfRtEY/htQ6PiqhEyQzgx9YCUVOghtRn2G/Da/WzwiI1oVValLZXV6Zo+2Te4bSmLKMIwLjqMKy5NBT5rqaCw==
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

2026-09-17T11:58:48.253216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019414
observed 4b486dc83b46b629759117b6add52d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.236024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019414/manifest.json
observed 75e038d769d026974449ecb4e34421c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.216744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019414/publication.md
observed 11b58646519becba0b41d059493bcfab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.197669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019414/publication.txt
observed 81abfda5655e342fe9b0d19775164237...
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.