OpenTechnical

OT-2026-000019338

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019338) never changes.

Identity and time

Publication numberOT-2026-000019338 · never reused
Internal UUID01a0ae6e-f392-7c61-8e51-6f61ac1e9d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019338
StatusPUBLIC

Content hashes

Canonical text592289e54d43a82405d637211df72a8b65f684cefef49b4ad41a504eb1574a02
Markdown2cb357ee3c9fc41e9308ee0ffbdf613c184cef31efe6581885bbb0d4dcdae98e
PDF
Publication page9ad2c9bb2c048d13877a2f756c48109d2d5cd5d66d48fb055dd79515e4ca5e21
Manifest509d291c0dfd25d0e6792c2c6fcb3b0cc3edd43a39ec526d05fd10b5d1e733e9

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
SignatureeEyxx8gK6PtwNZcKGij1+itjNQNnVBdv9qb3sIDNICyg4DcVo6+9/gXrz6yhxsmbaXHWcYHXkYSlV0+P9DRwAQ==
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

2026-09-17T11:58:42.515820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019338
observed 9ad2c9bb2c048d13877a2f756c48109d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.497379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019338/manifest.json
observed 509d291c0dfd25d0e6792c2c6fcb3b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.480154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019338/publication.md
observed 2cb357ee3c9fc41e9308ee0ffbdf613c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.463291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019338/publication.txt
observed 592289e54d43a82405d637211df72a8b...
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.