OpenTechnical

OT-2026-000016563

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016563) never changes.

Identity and time

Publication numberOT-2026-000016563 · never reused
Internal UUID01a0ae6e-2d14-721c-92c1-ee81d8db87c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016563
StatusPUBLIC

Content hashes

Canonical text1523f8f83feabb3ba976302f8b7ea188a45feee31e6fc9f19beb220afb4670f7
Markdown88859429e44b8a1536ead47c94aaab8cc6b56c1849a1b0dce57e61a3a5ab5b03
PDF
Publication page2086a283bc99dbdb96b5999193ec9e99022055884fe177a13f76c2ceb7d52cda
Manifeste5b19cefc009f4d71263885dcf8d0f37c8e69fa1e8b04186529b2992fc343d4b

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
SignaturekZICKjEV5RRJVYl8rEEXc7UXiOkF7QjVQLfbgC5UIWzDT69QWUUPm/6U+TG6wQzGgWBSF/4r2vCMQXhBnxOnDg==
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

2026-09-17T12:04:47.542349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016563
observed 2086a283bc99dbdb96b5999193ec9e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.524552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016563/manifest.json
observed e5b19cefc009f4d71263885dcf8d0f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.506531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016563/publication.md
observed 88859429e44b8a1536ead47c94aaab8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.487474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016563/publication.txt
observed 1523f8f83feabb3ba976302f8b7ea188...
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.