OpenTechnical

OT-2026-000047389

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047389) never changes.

Identity and time

Publication numberOT-2026-000047389 · never reused
Internal UUID01a0ae7f-3e57-7ddc-b5a7-0250bce396c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047389
StatusPUBLIC

Content hashes

Canonical texteb51152da4f79d9fe4689f32a59508401c24e8c8cf621ad6e635d4be88a6ba03
Markdown55918fd8453773d6436513ec40bc9487c44fa45c99a657b24d14ef53ba090dae
PDF
Publication page984122b04f0b39081fe4dd65077fc2c1718ae79391b31301bfc53c8e0625ce6e
Manifestc381640c1164abdcdf25664b73d00e97acae02b23506bad05057deee8ce8d0ec

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
SignatureDxpTn4Y5vk9Zpr9eHdWgzpDQZf7hkn85Ez+iAgS/NwSgFsrL67dbIcRTal8N7o56POpBOg6ADzjkFeJkjgg6BQ==
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

2026-09-17T11:06:23.886823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047389
observed 984122b04f0b39081fe4dd65077fc2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.868056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047389/manifest.json
observed c381640c1164abdcdf25664b73d00e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.852093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047389/publication.md
observed 55918fd8453773d6436513ec40bc9487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.833509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047389/publication.txt
observed eb51152da4f79d9fe4689f32a5950840...
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.