OpenTechnical

OT-2026-000019744

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000019744) never changes.

Identity and time

Publication numberOT-2026-000019744 · never reused
Internal UUID01a0ae6f-1fb4-72f2-b5b8-ae019ce9ce71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019744
StatusPUBLIC

Content hashes

Canonical textcdd087b58b88ea0fcc56affe0b4666a0157439315fab607ee7dc74b940819817
Markdownfdd41152da4a1e22285a4ba8ce7f71d39989ca2fdc67a34970d53f27d61cf047
PDF
Publication page071eba1136090451ab1c7209e9e46052ff11efd7d0f8b5580ceae8d264d3951c
Manifest92b29deadbce76e587d841c77e10f84662f743e04555056d7ccd3fda484697b9

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
SignaturerlsrXg7ZOgV2PnpIhv/wte3MqgR1OiIqFWg3iTEnT532BS6+iucV1mrBuukqR7ajklCOZwd1v4fljX1NIPjgBg==
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

2026-09-17T11:57:50.344425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019744
observed 071eba1136090451ab1c7209e9e46052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.327668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019744/manifest.json
observed 92b29deadbce76e587d841c77e10f846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.308204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019744/publication.md
observed fdd41152da4a1e22285a4ba8ce7f71d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.288934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019744/publication.txt
observed cdd087b58b88ea0fcc56affe0b4666a0...
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.