OpenTechnical

OT-2026-000033872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000033872) never changes.

Identity and time

Publication numberOT-2026-000033872 · never reused
Internal UUID01a0ae75-a391-7a45-ba2c-d16192863023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033872
StatusPUBLIC

Content hashes

Canonical text120ad63af73045ddcb952180d55b84acbbb997a8975a7515c1a4b9d8ee5bc718
Markdown09deb92397879114dd1b76b7c650ea5b890321f6e40c7f79adbddc1da492ad36
PDF
Publication pagefe9b50e8f2d923c63da42e9660f12a80d098e2ab86cd6b5a3e7f123d19323c6d
Manifest74a01e266d6cb88e1fcc1fb217e1fb39467b57583d21aaa453b3116a64da668a

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
Signature8CDElzZG6q48JyaiCPeOZ81F/ID20daYQdXWzr9wa8pFM8WJtdm18g7x3TFRsM4SBZo8tl5l4tP6oXUGiJTtBg==
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

2026-09-17T11:31:56.333011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033872
observed fe9b50e8f2d923c63da42e9660f12a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.315049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033872/manifest.json
observed 74a01e266d6cb88e1fcc1fb217e1fb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.295805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033872/publication.md
observed 09deb92397879114dd1b76b7c650ea5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.278371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033872/publication.txt
observed 120ad63af73045ddcb952180d55b84ac...
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.