OpenTechnical

OT-2026-000029660

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000029660) never changes.

Identity and time

Publication numberOT-2026-000029660 · never reused
Internal UUID01a0ae73-5e23-7547-a421-fb814d766a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029660
StatusPUBLIC

Content hashes

Canonical text85968c87a13368e8e6f2f4c7da6f917ddf863f2799cd1ed134cac1601685deed
Markdowne4ff2b83e6f004b3e5daf439597cb7074361edcffc43f6f304bc78ab70974733
PDF
Publication paged8dfc9d6a2b15e045193bf81f348f67308f252a1e4cda19b7c7f7b380ce202c2
Manifest4df5acb1abb28e20753f8fcb5afefa571d9b6a0c4633d5cc73db7e4c395093c7

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
SignaturenZJY/QkLKWfvuMJI0mWMUUsKgmsPlDLxRrEywJAOzcw0yNXzlPWGUGBU7T/QKaeTgDh+3zk3ab4NvCz5LVG5Bg==
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

2026-09-17T11:39:22.639086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029660
observed d8dfc9d6a2b15e045193bf81f348f673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.619906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029660/manifest.json
observed 4df5acb1abb28e20753f8fcb5afefa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.601767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029660/publication.md
observed e4ff2b83e6f004b3e5daf439597cb707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.583123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029660/publication.txt
observed 85968c87a13368e8e6f2f4c7da6f917d...
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.