OpenTechnical

OT-2026-000019592

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000019592) never changes.

Identity and time

Publication numberOT-2026-000019592 · never reused
Internal UUID01a0ae6e-f394-7a33-880d-0c01ac7ed048 · 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-2026-000019592
StatusPUBLIC

Content hashes

Canonical text79f59f7d2f04cc7369fbd3934c18847276df4d8c213121b7cd563672ff14268a
Markdown2451b372ca93e25c30a9b96d0731ac67fa102c345026158e52d71b86fa3dd50e
PDF
Publication pageb1ab1139978bfcb5e103052de157b36fb16523b1ec93acbcb41e252926841793
Manifestd0124203df9e99da41500c1a6dede6c4c1ec2146ce25a5addc5d79f8214dd259

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
Signature0PVTx3DMyUX6iWWrSdwNV2L02dI1zB1VhdBj31TwyU3BTK44P2sr9eKrrJpLkDo50Q3GuAvoSpkUOSANIPzIAw==
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

2026-09-17T11:59:02.614447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019592
observed b1ab1139978bfcb5e103052de157b36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.596215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019592/manifest.json
observed d0124203df9e99da41500c1a6dede6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.576853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019592/publication.md
observed 2451b372ca93e25c30a9b96d0731ac67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.559983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019592/publication.txt
observed 79f59f7d2f04cc7369fbd3934c188472...
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.