OpenTechnical

OT-2026-000044133

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044133) never changes.

Identity and time

Publication numberOT-2026-000044133 · never reused
Internal UUID01a0ae7b-d67a-7688-9566-920abcfa3ebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044133
StatusPUBLIC

Content hashes

Canonical text28c74c07b7f34beaf01c5b363032da2d1c2aff22fd5e1b340a4b9395283c5c56
Markdown1dd743aa121264a46755daadb71948b45f8a48df820c28d7fa5898b1a1ffeb9e
PDF
Publication paged852f8d0e54f5a210667d0e8c71a183a279272eb703f7d5030c9b72713004b26
Manifestb2bfb585f148cb3d0f02152d0a21eda714b9ce225c345f214f78fda6b2dc92f8

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
SignatureF0/qFcQzzabL0OX/hWh16Cx+TGgOAjsnrppsrhfoJGU4fQfzvX8et3+gwu2ySUKQB/LQ3WA0k6y6H7J0Ug1fAQ==
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

2026-09-17T11:12:33.161315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044133
observed d852f8d0e54f5a210667d0e8c71a183a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.143789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044133/manifest.json
observed b2bfb585f148cb3d0f02152d0a21eda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.126476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044133/publication.md
observed 1dd743aa121264a46755daadb71948b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.108548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044133/publication.txt
observed 28c74c07b7f34beaf01c5b363032da2d...
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.