OpenTechnical

OT-2026-000025448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000025448) never changes.

Identity and time

Publication numberOT-2026-000025448 · never reused
Internal UUID01a0ae71-5fa7-7648-9eac-c71a3debf92c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025448
StatusPUBLIC

Content hashes

Canonical textfa58ff47f4310b6b372732d28fdeb299f55a04279fa273eb2691916a2b3f7300
Markdownd69be80cad41cd71c7fe6bcb138ad87b355ad6a8cb74b44ae55666a420cfad66
PDF
Publication pagef77c7dfad5615b49c5952e097676f8d9a629c0440fe36aba6296f6b789d65a82
Manifest2dddbb743d797483865a33e3f9350e0937231fd64f5c282c9eb7ee1bc9385542

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
SignatureX9mvdnBfDGhcDN6roUtdYjPNhxp/HSzFADHS1u0oiWZhXhqeAFHEmhzH9yn5V0SdtuiyVZXT6QGGRRi6z23xCQ==
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

2026-09-17T11:47:31.827590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025448
observed f77c7dfad5615b49c5952e097676f8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.808097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025448/manifest.json
observed 2dddbb743d797483865a33e3f9350e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.789858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025448/publication.md
observed d69be80cad41cd71c7fe6bcb138ad87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.766641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025448/publication.txt
observed fa58ff47f4310b6b372732d28fdeb299...
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.