OpenTechnical

OT-2026-000095961

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000095961) never changes.

Identity and time

Publication numberOT-2026-000095961 · never reused
Internal UUID01a0ae9f-fac8-7ced-8bcd-5052bc414dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095961
StatusPUBLIC

Content hashes

Canonical text21bf9272d24c309e810a2fb4f112c0c9a4d46875b6061fc3e84ba3fda6847555
Markdownfe15a8700290f66fb43a8c004e929d8a73be8b522e87bb875112fd2ef62a1029
PDF
Publication page050bbfe0dff524ad42ac307e00f9354e7d455efea6a56333c77212f0477f5d92
Manifest31e882c0f6a13aba62cbd6227317e37471bb8b19daaa3631c3a5b76e9d0b8fe8

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
Signature3+x22zIyzPJC8DpF0HWLdso97Atjm5/5k+g3e1qSdzrOUERAGXuG2LcukAb8xRBhOFTtFNnwy8e5RzCukuypAw==
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

2026-09-17T09:36:04.599412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095961
observed 050bbfe0dff524ad42ac307e00f9354e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.582270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095961/manifest.json
observed 31e882c0f6a13aba62cbd6227317e374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.564203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095961/publication.md
observed fe15a8700290f66fb43a8c004e929d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.546301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095961/publication.txt
observed 21bf9272d24c309e810a2fb4f112c0c9...
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.