OpenTechnical

OT-2026-000049985

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000049985) never changes.

Identity and time

Publication numberOT-2026-000049985 · never reused
Internal UUID01a0ae81-fd77-7c0e-bab3-18bf967e084d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049985
StatusPUBLIC

Content hashes

Canonical texteb80fba14d3684fb2581484cf938c1703b81389ecd92ed62fcde5187fbc55643
Markdown0e4057f711b6dd57b444a73fe2f64254222d44e1e97261e0612158d43d64abdd
PDF
Publication page8ec9fa1c4dbdc51e87e636266a23357cc06dff74b5a973a6d641465cf407b6da
Manifest14ad5724b1a775dfc1a9172154b48ae1fe7add8923cb067685864a5efb0cb7bc

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
SignatureGgro0+qcwicyTBrtFxNgtC3KEBa9qeHl8viQ3hmJU6Xi2szuIF5slQTysqGox9JLmnA7UCUs02H5tatYbZqBBg==
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

2026-09-17T11:01:56.317123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049985
observed 8ec9fa1c4dbdc51e87e636266a23357c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.298873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049985/manifest.json
observed 14ad5724b1a775dfc1a9172154b48ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.278729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049985/publication.md
observed 0e4057f711b6dd57b444a73fe2f64254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.261338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049985/publication.txt
observed eb80fba14d3684fb2581484cf938c170...
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.