OpenTechnical

OT-2026-000013286

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000013286) never changes.

Identity and time

Publication numberOT-2026-000013286 · never reused
Internal UUID01a0ae6d-6fc9-7130-944e-3cc99571ed7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013286
StatusPUBLIC

Content hashes

Canonical text61603188266f562870a1f8b92ada86d4ebe2968b62df319ea7a0eccc7946a250
Markdownb346c7ab5a25a8c46712818d892f92217244cadec1fc3ddbed470dd161241678
PDF
Publication page45cbda81e955c84fbb7ed2d3368df542b5efd71281e57d4b420d4e4887e99a03
Manifest8241a4eaf7d0be82a7df2d9d6f08ffc8eb8cfc38ff84452273cb5d776175ea07

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
SignatureX/+1634Y65U1sSjNb0y8akkvOjCKfxtSONkxl0x/7wnQ9urA0XiPjYxIIjD7qdnbEEjhy3tfn+nt1/cm9aeSDQ==
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

2026-09-17T12:09:42.447264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013286
observed 45cbda81e955c84fbb7ed2d3368df542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.426804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013286/manifest.json
observed 8241a4eaf7d0be82a7df2d9d6f08ffc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.407188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013286/publication.md
observed b346c7ab5a25a8c46712818d892f9221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.389859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013286/publication.txt
observed 61603188266f562870a1f8b92ada86d4...
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.