OpenTechnical

OT-2026-000012202

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000012202) never changes.

Identity and time

Publication numberOT-2026-000012202 · never reused
Internal UUID01a0ae6d-39f5-7ebd-9dc2-054d0fde01e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012202
StatusPUBLIC

Content hashes

Canonical text120425c7f585d8a8356e170c3de1a38bde97868ab1604aec26d7f3aaec4e8152
Markdownf3c36e93a531d07c5842022d7592e8afab7e41171e03d81c0ad263dde4087e93
PDF
Publication page70d35587804f5534438f81490014f69cbe2885887d627efee848bc9169956d6f
Manifestce065b8758c7d3623cb6dbe2f732dae34a56bb589df7af5330409fb16103b86b

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
SignatureeITVLC5kuZAdC92WgWJDXOWGRSCTxEntc29rjoK6iyTIF7wQ6QegcFhcDLxjxJ509pkkuLCAMWSgH32NNVSIBA==
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

2026-09-17T12:11:06.813001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012202
observed 70d35587804f5534438f81490014f69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.795313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012202/manifest.json
observed ce065b8758c7d3623cb6dbe2f732dae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.779081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012202/publication.md
observed f3c36e93a531d07c5842022d7592e8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.759495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012202/publication.txt
observed 120425c7f585d8a8356e170c3de1a38b...
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.