OpenTechnical

OT-2026-000036031

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000036031) never changes.

Identity and time

Publication numberOT-2026-000036031 · never reused
Internal UUID01a0ae77-01cd-7832-bb8f-460482c2b3cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036031
StatusPUBLIC

Content hashes

Canonical textff7a9875214c5da5d4176645295f7a89d9823c891ccd2d67e8d3e8e9cbd473e5
Markdownad64d196630f74be9210c3765fd892c908d70c206dc533d4548de7a88144ed61
PDF
Publication page7008955e7d6cad0577331efbd366f7e5cccc9922ad31b796cff2b56f7736420b
Manifest90e35a9155bb938050c451c8a00e246afb0c93f95a1d92d5e7d94a356cf5f025

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
SignatureYIljSWjlot7Rbh8P13rnIlrlnM7QAL76EAsJRLgBWi4flr70lFBbBexdH/c4hW3DsKs1c+BJC9Qx3H22ys79Aw==
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

2026-09-17T11:26:12.615838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036031
observed 7008955e7d6cad0577331efbd366f7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.597218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036031/manifest.json
observed 90e35a9155bb938050c451c8a00e246a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.579669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036031/publication.md
observed ad64d196630f74be9210c3765fd892c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:12.562707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036031/publication.txt
observed ff7a9875214c5da5d4176645295f7a89...
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.