OpenTechnical

OT-2026-000049767

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049767) never changes.

Identity and time

Publication numberOT-2026-000049767 · never reused
Internal UUID01a0ae81-8fef-75e9-ac03-8a63c2a8fbab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049767
StatusPUBLIC

Content hashes

Canonical text53dbc6b6339fcdf72a55058728f33cd2dbf7275a83503968f1a3463b2d3bae10
Markdown031f462557695564f330ef0ef86e512be5cc43375126955b46d6492f55ba0978
PDF
Publication page991abff876efc2dc5bcd87036f8f252980e5e248b5f32e1950812d70324aec3e
Manifest379609526553ed6e402b97f38a2262348bf8238b27a038247dae44e42d96a172

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
SignaturefPPZvsGWCgxITfT5m7KoRwsEKzZEleGJg8UUHncjKZZZ6JdM3ERxY+yPgExBqaLRwUUMk4+Mt1eHXJ6F0Y4MAQ==
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

2026-09-17T11:02:52.703004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049767
observed 991abff876efc2dc5bcd87036f8f2529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:52.683855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049767/manifest.json
observed 379609526553ed6e402b97f38a226234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:52.597705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049767/publication.md
observed 031f462557695564f330ef0ef86e512b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:52.573543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049767/publication.txt
observed 53dbc6b6339fcdf72a55058728f33cd2...
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.