OpenTechnical

OT-2026-000089988

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000089988) never changes.

Identity and time

Publication numberOT-2026-000089988 · never reused
Internal UUID01a0ae9c-428e-7045-9940-f1eb5b692fcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089988
StatusPUBLIC

Content hashes

Canonical text4fb8efd16c4ecc034493c93d7b31bc7d04d09b2214a27d446fb67b7531b9e154
Markdown6b53fa6d4e65011eebc4b98342f8e09458558f20d2bafac6de99fcce876ef22f
PDF
Publication page2c952fbe2f140b32b151a158fac8d647031c8d6811b464eb203856616347780d
Manifest0a7b62e6e7b4da4cf868340f19d5b4cbfdf326191765d57fdf1f7764cc7ad933

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
Signature1kJNLp+DUyr8nQk0+we9AYqLTZ2N/l/Fr8EjLLrbdvce02mqiF5zRC+ytAbT3OiW5bcjxYSTnP+YuVoN2E/XAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:22.713481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089988
observed 2c952fbe2f140b32b151a158fac8d647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.696347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089988/manifest.json
observed 0a7b62e6e7b4da4cf868340f19d5b4cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.677796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089988/publication.md
observed 6b53fa6d4e65011eebc4b98342f8e094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.659853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089988/publication.txt
observed 4fb8efd16c4ecc034493c93d7b31bc7d...
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.