OpenTechnical

OT-2026-000027848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000027848) never changes.

Identity and time

Publication numberOT-2026-000027848 · never reused
Internal UUID01a0ae72-a4a5-735e-9a2c-63af66fce344 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027848
StatusPUBLIC

Content hashes

Canonical text97b772a55d6462dc1c8b9d47b9f66e60753c6fb3f2cc320014b46cf95b89ae2f
Markdown90a8931e3d9e63e9fcc399338b35fcb33a614b16b1596fae09d9bedde2b1d95c
PDF
Publication page0de55aa76ffa68c7241d16761f8ce77de702381874c319143675c91a85c7cc9a
Manifest9dce16d4efdbb36e772d1a5dfdeeef43020da5bf719fee62abc0d3c3b002ecd8

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
SignatureCzrUE28RYZJAdOO9nF/dj2uVId9IpXQffOZeZ1JllqqFDltBp1hgGVfctZWbVimSG7wbu3dH5qXGWgV93fonCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:54.310863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027848
observed 0de55aa76ffa68c7241d16761f8ce77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.293592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027848/manifest.json
observed 9dce16d4efdbb36e772d1a5dfdeeef43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.274777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027848/publication.md
observed 90a8931e3d9e63e9fcc399338b35fcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.257262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027848/publication.txt
observed 97b772a55d6462dc1c8b9d47b9f66e60...
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.