OpenTechnical

OT-2026-000021136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000021136) never changes.

Identity and time

Publication numberOT-2026-000021136 · never reused
Internal UUID01a0ae6f-865b-780a-a3da-6068b1b3e38d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021136
StatusPUBLIC

Content hashes

Canonical text4c8d4f5055c1433f4a6cafe2eff5a170c377fa68210a4054142c88435cfcac36
Markdown4a656f03b2fa0f251370c969492f9d884e7b979c8cede9ccc392992a25686dc3
PDF
Publication page60a69e0e6586bba8651befbc39cc97afb636e11ed22ed3fa5b3dc8056dec962f
Manifest2359776471f53b94fc1fc6bf5c1fd750c29f6ecbd2b9ecde4bdaae7b65af9844

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
SignatureZT7hxE+JDS+Pl6RmSrcFOOzXtrUfh9+EyNgaKzBF4PJenZaIMWRDAo25bzv7NWvLvRFJ4S0wgI3mNRcnToumBg==
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

2026-09-17T11:54:53.331387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021136
observed 60a69e0e6586bba8651befbc39cc97af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.313289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021136/manifest.json
observed 2359776471f53b94fc1fc6bf5c1fd750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.294593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021136/publication.md
observed 4a656f03b2fa0f251370c969492f9d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.273407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021136/publication.txt
observed 4c8d4f5055c1433f4a6cafe2eff5a170...
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.