OpenTechnical

OT-2026-000038496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000038496) never changes.

Identity and time

Publication numberOT-2026-000038496 · never reused
Internal UUID01a0ae78-2d53-7d99-98fb-7ae9f1e5d34c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038496
StatusPUBLIC

Content hashes

Canonical text5639f3ca1235d6af1c20e4e4f80e96915a5865ff2bf6c741b035895f6e69392e
Markdown68093e0400337101b069759afc929e119ec2c86f32032a38001dba12a3c9b4fe
PDF
Publication page507e854f9959f3885b0b7b66036043558b17f251fa055c930f343470cebdf126
Manifest15812465f44d7274f2972b2adec3b08414dac4c6839b8dde3378c97787b36fb6

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
Signaturerk8DUadaFtGIeo8Es41bGABx+R+hX2ERuRrarmqo2B6KUugaO1Yy82Ud/5yxUNZ6nxzliI26EjdLe1Okml5+AQ==
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

2026-09-17T11:22:44.416898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038496
observed 507e854f9959f3885b0b7b6603604355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.398711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038496/manifest.json
observed 15812465f44d7274f2972b2adec3b084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.380174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038496/publication.md
observed 68093e0400337101b069759afc929e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.360355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038496/publication.txt
observed 5639f3ca1235d6af1c20e4e4f80e9691...
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.