OpenTechnical

OT-2026-000049724

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000049724) never changes.

Identity and time

Publication numberOT-2026-000049724 · never reused
Internal UUID01a0ae81-8fef-758d-8994-5808d0de138c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049724
StatusPUBLIC

Content hashes

Canonical text645c4e23533917d23c1b20ce3846c045ad889a748c055ce82622e30009215f98
Markdownbdffc9984c7c48c97e336df0e67b8176a3cc1a48628b8c24092e058edc5ba948
PDF
Publication pagef71ab080aee804a10612e930a82920df129e2824f2b1dc790199ec948c8b5f18
Manifest4adaea9320cb96adf5f6948f9e6db4557ae9d753eebb744e4e6aea1d9df8ad2a

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
Signature93+KhM9vydXYMdUeIEJNj9TqW0yjmxwvrRTILb0OHw2mHcFVjG/ri6DV3GWtYaYelc13iPwYZNC+PbGbD5EIDA==
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

2026-09-17T11:02:44.697823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049724
observed f71ab080aee804a10612e930a82920df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.680312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049724/manifest.json
observed 4adaea9320cb96adf5f6948f9e6db455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.663616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049724/publication.md
observed bdffc9984c7c48c97e336df0e67b8176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.644351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049724/publication.txt
observed 645c4e23533917d23c1b20ce3846c045...
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.