OpenTechnical

OT-2026-000086466

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000086466) never changes.

Identity and time

Publication numberOT-2026-000086466 · never reused
Internal UUID01a0ae9a-2c97-7f92-a373-560ec2c38b99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086466
StatusPUBLIC

Content hashes

Canonical textc5779541ecff83d2ae05ecbac7bdbcb328bd96cbb9590ebcd40190cbce3c84ca
Markdown392470e651347c6836f3736de20b85ef9cad58efb8c0d1514970b5cbbd5ff737
PDF
Publication page7621ebf20c7506f6d2429a6ff59d2f6014b90db3c341fa8d4b903c2cd2031789
Manifest04cd8a09fcac649eaca94c34e1f1e54575f550a9b260907c1568bf599957d5d8

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
Signature86JRcz4+cAcEITNhkbq4rdGgXd5SLDGNCXCsA99NjWGRlyXM41DwKzV063vwO8vhEl79Ah2L+UKu1p4ldJ/XAw==
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

2026-09-17T09:52:16.339252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086466
observed 7621ebf20c7506f6d2429a6ff59d2f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.322758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086466/manifest.json
observed 04cd8a09fcac649eaca94c34e1f1e545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.304942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086466/publication.md
observed 392470e651347c6836f3736de20b85ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.286476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086466/publication.txt
observed c5779541ecff83d2ae05ecbac7bdbcb3...
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.