OpenTechnical

OT-2026-000049189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000049189) never changes.

Identity and time

Publication numberOT-2026-000049189 · never reused
Internal UUID01a0ae81-134e-7ef6-aebd-34db8057212d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049189
StatusPUBLIC

Content hashes

Canonical textdc0d5a81e6aef53b0505dc732b6daf27d3553d66a766a07fb914a272bc5cdd75
Markdown63aa27e029d14f4508f35fe26cda968efda95e2186b621fe6fd1efc2a5e6de89
PDF
Publication pagee256097f821d63be8a2d21fe0ce64539c975bbf6be1b7ea6c29b091981d84ae9
Manifest4fee61fcb8127d1cd6236ef76010f98d622ae95a46eea2e7a4e0ff33743154bc

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
SignatureeeE3/zjCtt++5bn6vWU+hdRy4IduK2H//aglGCYecL1MJiTQrarEBN/MZDJMBeEODwQHyz38XLbqvskVjvm+Bg==
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

2026-09-17T11:03:59.874863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049189
observed e256097f821d63be8a2d21fe0ce64539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.851909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049189/manifest.json
observed 4fee61fcb8127d1cd6236ef76010f98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.830951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049189/publication.md
observed 63aa27e029d14f4508f35fe26cda968e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.809487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049189/publication.txt
observed dc0d5a81e6aef53b0505dc732b6daf27...
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.