OpenTechnical

OT-2026-000058707

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line 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-2026-000058707) never changes.

Identity and time

Publication numberOT-2026-000058707 · never reused
Internal UUID01a0ae88-f39d-7816-ab9e-764987416ec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058707
StatusPUBLIC

Content hashes

Canonical text5ef5a6514d1a07f621aaa9310760d16417d625a876fb97fb01ad8a08512a140f
Markdown6b9c079e61695f11d6f349ee041e5c9dbce848638999b6d1094c23b7d1e7588d
PDF
Publication pagedb9e9fa7bd61578310bec91eb13d12dcf1cf62056ef27bf85bd841826544248f
Manifestb94fdd2c7421f22334520d971e7e541ee1892bc9ce23bfc038f706caf05b549b

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
Signatureqxz6UjTqYVCDNuMskdnRfUyaKlEOePpQ2eF0rbKpDl1GdMHWJqWTrsN/vSiL+uOk8gKAslOcn8I0gbcoUwjQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:14.107163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058707
observed db9e9fa7bd61578310bec91eb13d12dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.089981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058707/manifest.json
observed b94fdd2c7421f22334520d971e7e541e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.072589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058707/publication.md
observed 6b9c079e61695f11d6f349ee041e5c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.056412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058707/publication.txt
observed 5ef5a6514d1a07f621aaa9310760d164...
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.