OpenTechnical

OT-2026-000050348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000050348) never changes.

Identity and time

Publication numberOT-2026-000050348 · never reused
Internal UUID01a0ae82-5c47-72b1-a299-9451ace2966e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050348
StatusPUBLIC

Content hashes

Canonical texta76d2fd2ef0d61905711ee0d8497f777b1bb3e2c804b3301b4f6886f62fc35a2
Markdown7215361bc47075ad04e8e50934907f2205bdb529ee03d11101816eb2f5f42d76
PDF
Publication page3ce15a984d87e3395dfb2d5492bd731aad23a68ccab1e3621d000a570268a3ad
Manifest8fed83570601df564e4ab93885c026a13e195576bdff225c9dc8a69c15d7f55b

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
SignatureNdCw1G1YenzFoN072wSb3ed3rOiAJ2sA62NFPjpmp763uUOKOFhpPJdGrrrCW83oyxT3VzvYIpQ+KT67/jitAQ==
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

2026-09-17T11:01:22.638137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050348
observed 3ce15a984d87e3395dfb2d5492bd731a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.620554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050348/manifest.json
observed 8fed83570601df564e4ab93885c026a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.603837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050348/publication.md
observed 7215361bc47075ad04e8e50934907f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.587704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050348/publication.txt
observed a76d2fd2ef0d61905711ee0d8497f777...
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.