OpenTechnical

OT-2026-000047697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000047697) never changes.

Identity and time

Publication numberOT-2026-000047697 · never reused
Internal UUID01a0ae7f-c41f-76bc-83b6-95d1ec1d5cb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047697
StatusPUBLIC

Content hashes

Canonical textaf8ece6608c80ea1c3fcc3f42e8cab30bba0448249139eb7f6d176da92b5a130
Markdown24a5188c2b0268f43cd1be55b32e81a6097f3e5072c8381ad964616caad1021a
PDF
Publication paged5c5d39a44701d5b0b4b4fcc948d355a6e92717feb07e21dd335b53e61d590ea
Manifestfafb8bef13720f027254e564933a4406ab979d2ea5496266920c44f817a5dc5a

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
Signature3AnMNmZrkQqKqSubP3cGoit7SYlQooihxIcwVihFYAaBknaGKfLrmuiJqBK3Hc3G0buOeGCqHUTRihly3+3uCQ==
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

2026-09-17T11:05:33.146707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047697
observed d5c5d39a44701d5b0b4b4fcc948d355a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.126156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047697/manifest.json
observed fafb8bef13720f027254e564933a4406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.106241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047697/publication.md
observed 24a5188c2b0268f43cd1be55b32e81a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.085783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047697/publication.txt
observed af8ece6608c80ea1c3fcc3f42e8cab30...
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.