OpenTechnical

OT-2026-000011199

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, vented after 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-2026-000011199) never changes.

Identity and time

Publication numberOT-2026-000011199 · never reused
Internal UUID01a0ae6c-540f-7e1e-a2b0-aca0aec7db1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011199
StatusPUBLIC

Content hashes

Canonical textb621c8e3954b5c95bc363a79b6774fcc3d2c373bccdbc09976e641489cf3cdbf
Markdown4d5dcb95daa294e23b3207889f582f3b0fa747c557ec5e83f026945b4860c7ec
PDF
Publication pageaa9e91764c46beb21018a1feb8dccb2f8c90f7a1531f3570fd067db6bfea9d47
Manifesta830e1b59fae365a19b06ef1450b235ec353238e047309c653f56e620213aa37

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
SignatureTyI4s0Un/ntTsQ85oM1BEQ4QHy+sHQRrsvD4NcWLc7qXIYBVT+FAYsOSjFMRiN04C0o+Dq+fXyE81GmLoqKWAg==
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

2026-09-17T12:14:08.870217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011199
observed aa9e91764c46beb21018a1feb8dccb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.851044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011199/manifest.json
observed a830e1b59fae365a19b06ef1450b235e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.831335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011199/publication.md
observed 4d5dcb95daa294e23b3207889f582f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.811542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011199/publication.txt
observed b621c8e3954b5c95bc363a79b6774fcc...
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.