OpenTechnical

OT-2026-000049223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049223) never changes.

Identity and time

Publication numberOT-2026-000049223 · never reused
Internal UUID01a0ae81-134f-7adb-973b-d0a4a340098e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049223
StatusPUBLIC

Content hashes

Canonical textc0b060a10612402054d0ed4cc3116bc20f81003d390951dfc3e0e2679ebbdaec
Markdown9fd4d3426509fb229fc67468d7b85a0dc836b0fd456671d309b942b2c514941a
PDF
Publication page3f4a2ef1eda1a23f283ed4d373a81b2f1025afb1e9bb3dbd08cab496e7989e36
Manifest0b5bcca01e48ef376b899c5bec427aa6d3396b92d00f1d41b38fff58b29d94f7

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
SignaturezU5X88MJyXWR/wfgKT5fXgdbntEW70wRs0sMOFqCwm0l9jo1Ewi/t/0u73WHtOAsa9zqzLnUVUMIUwAhwzWdCA==
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

2026-09-17T11:04:02.659884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049223
observed 3f4a2ef1eda1a23f283ed4d373a81b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.642800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049223/manifest.json
observed 0b5bcca01e48ef376b899c5bec427aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.623938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049223/publication.md
observed 9fd4d3426509fb229fc67468d7b85a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.605272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049223/publication.txt
observed c0b060a10612402054d0ed4cc3116bc2...
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.