OpenTechnical

OT-2026-000095213

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095213) never changes.

Identity and time

Publication numberOT-2026-000095213 · never reused
Internal UUID01a0ae9f-8f70-772d-bfbc-6ab7d17d30e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095213
StatusPUBLIC

Content hashes

Canonical text154d2830d3257eaadd85a96ce836c07216918bbdb105ff47e3af6e3814cd18f4
Markdowne884de871c6f9603176f3d738c4153e412a0bd6b95190209c5e6c50fa3e664ef
PDF
Publication pagea9effb42e3faacde1d6fa867ae7064f632cb99169e1ed8fbfd67f561e9a1f887
Manifest8031c1c13ad0e038f2ce446d77e2956e319b5d12d0dbe7eff3dfdd8277080b6a

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
SignatureSrrBoWuBMkYZ2uU24dLdiHvHyxoKruPt3Qua1VKOWtmJyjGiTPI6fOWa8HR4JSXUsn7z+inOKoFszpdL61QPAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:31.947067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095213
observed a9effb42e3faacde1d6fa867ae7064f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.929951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095213/manifest.json
observed 8031c1c13ad0e038f2ce446d77e2956e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.912619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095213/publication.md
observed e884de871c6f9603176f3d738c4153e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.894851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095213/publication.txt
observed 154d2830d3257eaadd85a96ce836c072...
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.