OpenTechnical

OT-2026-000016929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000016929) never changes.

Identity and time

Publication numberOT-2026-000016929 · never reused
Internal UUID01a0ae6e-591a-7b93-bfa3-27cd5b977231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016929
StatusPUBLIC

Content hashes

Canonical text99f582d81b0a0b45e90fb9f9ef5e79429fc6bf620d548e936cf14eb07e638c21
Markdownb47b24019f11829c27c303c761d794ca2c3fcdaddc0c179abf3b2fd17150ac91
PDF
Publication page0f93c85ac9a432e5c25b80467ab5147440bddca0b8073230865a5e4097067876
Manifestca7cc63c30ca3609f553074d11d4bc25e11e7b5a52107b727dab0c37ae4dd5cb

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
SignaturesVI6DXL+36t2eSDc4tthBrfwkIv+09qKRptiY3sczyXcxNS1njHGR36U9m+Ah18YVffUnPhfSjUAcI6JFAySDg==
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

2026-09-17T12:03:12.661087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016929
observed 0f93c85ac9a432e5c25b80467ab51474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.644930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016929/manifest.json
observed ca7cc63c30ca3609f553074d11d4bc25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.628589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016929/publication.md
observed b47b24019f11829c27c303c761d794ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.613102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016929/publication.txt
observed 99f582d81b0a0b45e90fb9f9ef5e7942...
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.