OpenTechnical

OT-2026-000015061

Publication integrity record

Single cup vacuum gripper, single 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-2026-000015061) never changes.

Identity and time

Publication numberOT-2026-000015061 · never reused
Internal UUID01a0ae6d-d096-7aab-83ef-d797939b666e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015061
StatusPUBLIC

Content hashes

Canonical textaa2a5f8798459b4fb665c7a01d72c6ca9431553e7aa39cd700c97f0223f6cffb
Markdownf94b894dfca99fe4b99c4c3559da7937aafd6b2925298cffed518a8beb5711f1
PDF
Publication page530aa719584cfba24f2d803cc20032cca954c796bc67ff00d7b005194278857a
Manifest6d60d27c3db8e8cf101996c00e92ba129e1cf4e95c4cd83d4bbd3ea4f7057e28

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
Signature9Kp8hcBteIPoGLMG7M9RFBpRVO6lzQhnHWsSi80KLquq5yaomUC47h5m07Px1Fp7ujK+703EinD2Z/7NMmplCg==
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

2026-09-17T12:07:06.234319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015061
observed 530aa719584cfba24f2d803cc20032cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.215893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015061/manifest.json
observed 6d60d27c3db8e8cf101996c00e92ba12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.194291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015061/publication.md
observed f94b894dfca99fe4b99c4c3559da7937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.172707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015061/publication.txt
observed aa2a5f8798459b4fb665c7a01d72c6ca...
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.