OpenTechnical

OT-2026-000015189

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015189) never changes.

Identity and time

Publication numberOT-2026-000015189 · never reused
Internal UUID01a0ae6d-ef47-7562-aa45-f284b9b68ee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015189
StatusPUBLIC

Content hashes

Canonical textd913ff828867614d0b9d38520316e422b29f6c58777b4f5bead38184dd87416b
Markdown154f9170d9f5cce2b05f85763a2d48696997b61339f458128b1d0a1ba1320ee9
PDF
Publication pageedda23c52bfb5539a2f1732d1fbe0326c90a1cc9ce6923a24d1e6a8767c43baa
Manifestf726df4237c669657b2010c992138fdf94aa8877d94b53cca327d07fbb8d565c

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
SignatureMOUwR+yb8kQwJxc/8aYRUyM+IYq9c24ac9Yu3O/lfjkOi4ShH4QHEfJgEGgeppqN0I4SAHALxI1Re3fVB6M+DQ==
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

2026-09-17T12:05:48.869261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015189
observed edda23c52bfb5539a2f1732d1fbe0326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.849571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015189/manifest.json
observed f726df4237c669657b2010c992138fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.830035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015189/publication.md
observed 154f9170d9f5cce2b05f85763a2d4869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.807938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015189/publication.txt
observed d913ff828867614d0b9d38520316e422...
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.