OpenTechnical

OT-2026-000017043

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed 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-2026-000017043) never changes.

Identity and time

Publication numberOT-2026-000017043 · never reused
Internal UUID01a0ae6e-591b-779b-bf55-4d0c2a681d94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017043
StatusPUBLIC

Content hashes

Canonical texte3fa77195be997c13153c3fd2d74b84de3c164737a057e62cad21016c145b7c6
Markdown9f2843cae327ac9b102aa8731b42fb410158f7d69db32cb38d3d2efaa15723d7
PDF
Publication page735c4a311088dafcb318c193ba081bbec940d36da8ed3df349ead1ca31d609a0
Manifestfef9427f79c93cdc6b68d8e638f95e4d0ed3be473b575fd7ed968d7b9c02c24d

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
SignatureW/S4vtAknamgAZcwBSYNJ0mxTK8hiWdc7swruvzOVO++Bg54mwckmdOaPGgoT2zugCkBkm8qARgfKh9GiDhaBg==
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

2026-09-17T12:03:27.460565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017043
observed 735c4a311088dafcb318c193ba081bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.442636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017043/manifest.json
observed fef9427f79c93cdc6b68d8e638f95e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.425479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017043/publication.md
observed 9f2843cae327ac9b102aa8731b42fb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.408189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017043/publication.txt
observed e3fa77195be997c13153c3fd2d74b84d...
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.