OpenTechnical

OT-2026-000047857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000047857) never changes.

Identity and time

Publication numberOT-2026-000047857 · never reused
Internal UUID01a0ae7f-c421-750e-b3c8-5194d9fbf86d · 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-2026-000047857
StatusPUBLIC

Content hashes

Canonical text0fe0c8bc79cfd0c2688ddb20fbeaeb4976048304c59262a18132c300d7782414
Markdowncdc5225a7f2492f36bb118c3092ac370c2742b28ac9498fb21d09cc5efb9e234
PDF
Publication pagea7b1e802ccd1e17c54d94e15980b9ab660009adcee92a177c01d8600f97dca0f
Manifest83cb0b8599396d1f418d11c8da07e4e65e877b98dffa17db9ae068f6b74c4937

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
SignatureSicVgnsCSTcdzT4r9wScvm4fQQugZ5K2FWLZPX82rxOKDswYL+rupx8hLT9AeEg0NTMPsrXkYTJD3DCEaE4/Dw==
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

2026-09-17T11:05:46.808034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047857
observed a7b1e802ccd1e17c54d94e15980b9ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.789625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047857/manifest.json
observed 83cb0b8599396d1f418d11c8da07e4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.770584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047857/publication.md
observed cdc5225a7f2492f36bb118c3092ac370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.753475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047857/publication.txt
observed 0fe0c8bc79cfd0c2688ddb20fbeaeb49...
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.