OpenTechnical

OT-2026-000082213

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082213) never changes.

Identity and time

Publication numberOT-2026-000082213 · never reused
Internal UUID01a0ae97-4d94-7e18-9f42-dc8fd8fe7dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082213
StatusPUBLIC

Content hashes

Canonical textceb40038dd9d1a75364d08fbb4aad40141f7e2a9887732168af8ce38c5091a4e
Markdown57ad0ce9644ccdc629b75581a07af9671ffe14cc053ff45335d9734ed67bc680
PDF
Publication page17c11f3d11f09fcb5e6ee94aff29e8244f3520989e95c7bba68957fb2aaa1091
Manifest51b1b65596767ee8a9877657283e44f1e82ae60f069a6f003a8847b65110bd4d

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
Signature7mdFLtqlEmw66/ZUGLWVJMZS83gQTHTVUhAY5kYV3jEeHWV4V8QRdQD3un3RRNTx1g2+09KIj8XB9/R4dAVxBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:02.986945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082213
observed 17c11f3d11f09fcb5e6ee94aff29e824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.968450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082213/manifest.json
observed 51b1b65596767ee8a9877657283e44f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.949127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082213/publication.md
observed 57ad0ce9644ccdc629b75581a07af967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.930642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082213/publication.txt
observed ceb40038dd9d1a75364d08fbb4aad401...
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.