OpenTechnical

OT-2026-000044877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000044877) never changes.

Identity and time

Publication numberOT-2026-000044877 · never reused
Internal UUID01a0ae7c-911c-7602-839e-2fc3912a951a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044877
StatusPUBLIC

Content hashes

Canonical textabd9f1832f69be775f3780272c0f7e14c55ec05acec5025360bb513d81aabe0f
Markdown6f958cd569cbf4070c7b2e8ace6a4fd322bf97d3d165b5b404f9b9ff290517c1
PDF
Publication paged7ca320f2ed7ab49fce63534e8eee349a0024b2192619650735ac22d17108c3a
Manifest78c63d8798a8f072d1b7263649f0ff77a70a2785c54f5dd0bd4b436a31c57aed

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
Signature105yObWo6ox2UyaAMacPyO1auXsQGmP/iCkjvVGWNrueQePIISsfcc89vY2Ys+V46aOgb6KDSQbjZEIlhudfDQ==
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

2026-09-17T11:11:31.956595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044877
observed d7ca320f2ed7ab49fce63534e8eee349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.937964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044877/manifest.json
observed 78c63d8798a8f072d1b7263649f0ff77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.920106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044877/publication.md
observed 6f958cd569cbf4070c7b2e8ace6a4fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.901918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044877/publication.txt
observed abd9f1832f69be775f3780272c0f7e14...
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.