OpenTechnical

OT-2026-000047664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000047664) never changes.

Identity and time

Publication numberOT-2026-000047664 · never reused
Internal UUID01a0ae7f-c41f-778e-ace4-626e58ca6595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047664
StatusPUBLIC

Content hashes

Canonical textca493b230cd39b86fd6f7108eff5d52803f23ac94e8f6dff494ce8ae51d316d8
Markdownde0690cec80a2c596eecb05e34e4b42421bc344c222fcd9e7be5dfeec52af460
PDF
Publication pageb03432c1ce5089c18c49fbf259d2bfee6c70cd484ab912d024db2c17e177a5fb
Manifestb6a66c686356bdf781d83e2d3a0314c7c27e8727a129601c1dffb37bcf764798

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
SignatureA+LyDUgXJAt71/1rg6T8fIhfvIsELsI/9QU5lCyBWaHxljJ/0s4cSiaPwVbH8NEr0VzS7OQ2kRSnk02JcLUsBg==
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

2026-09-17T11:05:30.337157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047664
observed b03432c1ce5089c18c49fbf259d2bfee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.317910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047664/manifest.json
observed b6a66c686356bdf781d83e2d3a0314c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.297397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047664/publication.md
observed de0690cec80a2c596eecb05e34e4b424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.276630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047664/publication.txt
observed ca493b230cd39b86fd6f7108eff5d528...
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.