OpenTechnical

OT-2026-000045293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000045293) never changes.

Identity and time

Publication numberOT-2026-000045293 · never reused
Internal UUID01a0ae7c-f76a-7543-acf6-74e48f6bea71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045293
StatusPUBLIC

Content hashes

Canonical text9b0e86db202beb700b1be86bb34786668ff1e6df914fab551d3a860d2f7652b6
Markdowndec88cc67644afb3040f825eee57a7b35dc037a19ee29bc8df7d44208d49ca7c
PDF
Publication pageb711c3f1a34e66f7313ecc075770a7512c44b7a080a92b9d684d2d73ca7e6128
Manifest5f447fba92c7f136b86cad78dfdb496b3eb533857a0f47da349b5cb6e3a805c9

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
Signaturegrlo19VB/Wnw86WgV0mNVCdtA8+jsV9xirmAlLkKu3bSuBqWe3IaXk7MtHzWdQiAnPf5BzalRvVfuh4zwrzUBg==
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

2026-09-17T11:10:30.746303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045293
observed b711c3f1a34e66f7313ecc075770a751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.722505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045293/manifest.json
observed 5f447fba92c7f136b86cad78dfdb496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.703421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045293/publication.md
observed dec88cc67644afb3040f825eee57a7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.683141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045293/publication.txt
observed 9b0e86db202beb700b1be86bb3478666...
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.