OpenTechnical

OT-2026-000058591

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000058591) never changes.

Identity and time

Publication numberOT-2026-000058591 · never reused
Internal UUID01a0ae88-f39c-7340-a006-c173ccded2a2 · 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-2026-000058591
StatusPUBLIC

Content hashes

Canonical text53149c38b3b793562c4449e00588c7cd08d753e7021921ea378cb0bbf168c631
Markdown612ae9419ace3ef29cdfc4dddd1286cb3e945cad96164209a019fd5128c2257f
PDF
Publication page6ad756b7025778b5e9b7e51957f177cc6bfe38c78deb0601b03cfd7918856472
Manifest2126a0c2816434a984f04441609cfd4d3c05764a89792a7057469d421028562b

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
SignatureNO05Q52+OuP7opwDybYgQ672EffSnSmqUJ1QMnZJwUmrGrSAK4etSYjnLoSx2VQqrh3dpkNn9k6PPPHXU9omCg==
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

2026-09-17T10:47:05.307387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058591
observed 6ad756b7025778b5e9b7e51957f177cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.289855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058591/manifest.json
observed 2126a0c2816434a984f04441609cfd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.273574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058591/publication.md
observed 612ae9419ace3ef29cdfc4dddd1286cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:05.256223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058591/publication.txt
observed 53149c38b3b793562c4449e00588c7cd...
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.