OpenTechnical

OT-2026-000019102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000019102) never changes.

Identity and time

Publication numberOT-2026-000019102 · never reused
Internal UUID01a0ae6e-d523-7202-a8a2-5e607d4b703a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019102
StatusPUBLIC

Content hashes

Canonical text87d104399dda117b98f3aaf167572bb9f1a8819e37361a6199edf1698d7242ed
Markdown41421c8c894ba441005e915b5b587ea791c75877b4ad2f0a82b579a955dd7043
PDF
Publication page50f7d899549c1da392d2445220ccac8e6ec9b90bda65301bb7cff3c28b55c998
Manifest9d2bbb5fec172b48f00daf063f295fbc25d920f2c89a967d2d812d8760643f12

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
Signature3a0EwBb5giUPAPQfgJVUG3i1nhjXu6UH9ZX/q440rxePRVjGz+ZZtM3ysjJBPItbpFU7uyomlm3I2/YCaOE0AA==
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

2026-09-17T11:59:48.655438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019102
observed 50f7d899549c1da392d2445220ccac8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.633356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019102/manifest.json
observed 9d2bbb5fec172b48f00daf063f295fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.611122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019102/publication.md
observed 41421c8c894ba441005e915b5b587ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.592910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019102/publication.txt
observed 87d104399dda117b98f3aaf167572bb9...
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.