OpenTechnical

OT-2026-000099794

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000099794) never changes.

Identity and time

Publication numberOT-2026-000099794 · never reused
Internal UUID01a0aea2-c978-75b2-b9d3-ee86869eb348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099794
StatusPUBLIC

Content hashes

Canonical text3267a3997a83b0405abd94fe261fe0ac4553e7b71cb35a3a2e89e92e0004ec56
Markdown9bc3c96a94e7bc2c2855aa6b92b734fc6c43bd1e490270dd93d99eefb0cdb51b
PDF
Publication pageefdd714332d229e3466af6dc2f443e8e1223f75cfee1215ca94e627b3950e577
Manifest44aa42e7c53e0a805dd328e4fd5b9f4f6fbae273e2f12177a7819a0f205d1fe5

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
SignaturepDSuajpw4xOIBzc0tnh3w8G93KJWT1XAQThywh0vxcdWKYUkuYdZWKNLmC8qzB+RCzDShI9CZk2ka/SdBjmUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:47.061688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099794
observed efdd714332d229e3466af6dc2f443e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.043384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099794/manifest.json
observed 44aa42e7c53e0a805dd328e4fd5b9f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.026117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099794/publication.md
observed 9bc3c96a94e7bc2c2855aa6b92b734fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.008416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099794/publication.txt
observed 3267a3997a83b0405abd94fe261fe0ac...
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.