OpenTechnical

OT-2026-000011422

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000011422) never changes.

Identity and time

Publication numberOT-2026-000011422 · never reused
Internal UUID01a0ae6c-88fe-749c-ba43-4f85b0e0c07a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011422
StatusPUBLIC

Content hashes

Canonical text144da7080d4b2c864d7dcaa8ff4af5743fac0a13d6674429f65fe8a86f513955
Markdownff90cab1c2562976b700384ee26415dfd5accd4b86a0d1d83e35e5024e5b08f1
PDF
Publication pagefaac98b78b316f83aa4cf2d76670485d600295b02eedbf71e30540bc57cab78e
Manifesta7a115261a6d8ec547bce034ec551cda83ec5bd0998160dce605f088165455ba

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
SignatureVXcaZ/HUFf8gfVq1K+2kz73pI8n6Quc6i8AS6xe8FNo7JKMnqEL9bSZpxVJhTvFDzn5RwFEQmUH8RcI1Ism5AA==
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

2026-09-17T12:13:10.624428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011422
observed faac98b78b316f83aa4cf2d76670485d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.604691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011422/manifest.json
observed a7a115261a6d8ec547bce034ec551cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.585265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011422/publication.md
observed ff90cab1c2562976b700384ee26415df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.565825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011422/publication.txt
observed 144da7080d4b2c864d7dcaa8ff4af574...
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.