OpenTechnical

OT-2026-000098235

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098235) never changes.

Identity and time

Publication numberOT-2026-000098235 · never reused
Internal UUID01a0aea1-e964-7d67-915d-319ad36b44cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098235
StatusPUBLIC

Content hashes

Canonical textd87d264d8220b2d571840c8c688f0a5cdc34a0a01b5b0020ba21f54ef22efc81
Markdownad7d0ad7ad50e822c311d0ea8ae95e64ac2426037993796651e2c95c0d22faef
PDF
Publication page7e519316ec7d53a9c8b25f93e2a9ae07a2909bf01d24718c449a6139a619e35a
Manifestcd7c902765a62872abe16202fac2828447d52d1cd1ecbe90508bf895990a116c

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
SignatureBb2ZK/fs0g1yQye6uPDvf2IG5iAMri8fFdav/Nk6pKUtjDkdD564u2360ovVh09OMIqJ5d8Uzuy3wXnYSHG9CA==
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

2026-09-17T09:31:25.145645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098235
observed 7e519316ec7d53a9c8b25f93e2a9ae07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.126195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098235/manifest.json
observed cd7c902765a62872abe16202fac28284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.107741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098235/publication.md
observed ad7d0ad7ad50e822c311d0ea8ae95e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.088211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098235/publication.txt
observed d87d264d8220b2d571840c8c688f0a5c...
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.