OpenTechnical

OT-2026-000083549

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000083549) never changes.

Identity and time

Publication numberOT-2026-000083549 · never reused
Internal UUID01a0ae98-0415-79e4-8879-fd2f23acb063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083549
StatusPUBLIC

Content hashes

Canonical texta5c14fc14a004b675f44dd4c3cc0cf6e5ba5f2b594301c8132dcf0bd67f84bcf
Markdown85f5fd9d4165106aaadf85741eadaa7484e541ecda4dab2a99bd5d2e52c55663
PDF
Publication page2498bdb886219f6ffe5f9d98bcc47c9f6db471d0c977b54c3b1af1d78a74ade8
Manifest60babf4700e877fa0020d4203f5c2b0ffc4c6969a12ba11453fe8c83b212fdd4

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
Signature3nf9izu/bjN71O5dzDukMWCi2skheJ0mggkiAsUZc0GwO0GKj/+lK4P3/zmWJwUZ3CN/o6yMlmjhPT2Kknk/Dw==
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

2026-09-17T09:57:02.012640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083549
observed 2498bdb886219f6ffe5f9d98bcc47c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.994556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083549/manifest.json
observed 60babf4700e877fa0020d4203f5c2b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.975613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083549/publication.md
observed 85f5fd9d4165106aaadf85741eadaa74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.957367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083549/publication.txt
observed a5c14fc14a004b675f44dd4c3cc0cf6e...
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.