OpenTechnical

OT-2026-000049876

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049876) never changes.

Identity and time

Publication numberOT-2026-000049876 · never reused
Internal UUID01a0ae81-fd76-7f1a-8d40-23af6751dcca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049876
StatusPUBLIC

Content hashes

Canonical textdd443d43b1e412b25ee89e8cf629cdd36958f9e3e2a126cf32949c591a76dc6f
Markdown282b9a9f1ef605807adf143bc272b18afb072971dc1f30787ac405d23e9f30e0
PDF
Publication page568c85ec7ff127efbea4ee5a74d1b260f58ac62b0a85e3ed1ec0a12d6aab618f
Manifest859be5217a6613a3a30722835072362c1c80266ce8ff1b09ba13ae7781d73016

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
SignaturenZKzNnxWmmmG/fkChKqbxjKzatWlA6sbHufFcWZiWNaUt5/l+JHhpVE4zwnIeclIUI+0pHCSP2gZwMGdCPPKBQ==
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

2026-09-17T11:01:47.253786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049876
observed 568c85ec7ff127efbea4ee5a74d1b260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.236006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049876/manifest.json
observed 859be5217a6613a3a30722835072362c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.217078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049876/publication.md
observed 282b9a9f1ef605807adf143bc272b18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.196655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049876/publication.txt
observed dd443d43b1e412b25ee89e8cf629cdd3...
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.