OpenTechnical

OT-2026-000010732

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained blow-off 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-2026-000010732) never changes.

Identity and time

Publication numberOT-2026-000010732 · never reused
Internal UUID01a0ae6c-0ee8-761b-b257-587d7c87df47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010732
StatusPUBLIC

Content hashes

Canonical textb09fd7e9729479b1de316c7513d94f2640113db8c08e13dba99c6d8c3fe39e45
Markdownc7eee0423aba9d36dbcd1d2c041f651298d846d68673fe7897dbbeb7027c5034
PDF
Publication page6e4a93ba2e01625b50b752e67899d68ee8bf656b2b093592cf1ddb04015e4d88
Manifest88a6100d519355260d14c538f2144727185bcf8ec3852f21c25a7a772f06e94d

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
SignaturempX7aUTJTA6+tmFq92tC8M2uraUOhegDD12ahh30WyMnOGo0gn03won48U6WRgQ7AZarO4dGtqCt70e8H+uECg==
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

2026-09-17T12:14:57.568088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010732
observed 6e4a93ba2e01625b50b752e67899d68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.550251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010732/manifest.json
observed 88a6100d519355260d14c538f2144727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.530555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010732/publication.md
observed c7eee0423aba9d36dbcd1d2c041f6512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.510700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010732/publication.txt
observed b09fd7e9729479b1de316c7513d94f26...
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.