OpenTechnical

OT-2026-000025840

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000025840) never changes.

Identity and time

Publication numberOT-2026-000025840 · never reused
Internal UUID01a0ae71-a83e-7e84-b130-dece36a91d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025840
StatusPUBLIC

Content hashes

Canonical textaa9743d6a4a055d7030399cdd0933b91985ae1661b237c39749f74e4e74a429a
Markdown431aec03d60d7da6b55cd342524a5f2d56a02b9c0a252f5d5d197a1069e8e579
PDF
Publication pageacd47d36f5da127bbce17ba56d667e56da2d84b95b8325bd5958f6956b00261f
Manifest235d896419f10216cb44f11e4c165de0500e8209b85e41ec5ce17fc8bd98fdd0

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
SignaturejHL75Zm55LpmLwmqNUx4MZlXMVqbVY0hDHJ7IgrtW+eGoRgjs52qWmAXCatYoN39BUOiPOdFLab/LPBDDEV5AQ==
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

2026-09-17T11:46:04.035926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025840
observed acd47d36f5da127bbce17ba56d667e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.017606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025840/manifest.json
observed 235d896419f10216cb44f11e4c165de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.999449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025840/publication.md
observed 431aec03d60d7da6b55cd342524a5f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.980715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025840/publication.txt
observed aa9743d6a4a055d7030399cdd0933b91...
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.