OpenTechnical

OT-2026-000048048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000048048) never changes.

Identity and time

Publication numberOT-2026-000048048 · never reused
Internal UUID01a0ae7f-c423-71ea-89de-6ee5ac9687fe · 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-2026-000048048
StatusPUBLIC

Content hashes

Canonical text026a02380a75ae2efe08248e3039958b0bca6db49968b25887c403d75b1c7a49
Markdownb97d4b0e67c2a1bcd86eed575701c2f8b527c0ddd1fd258a7fc2a9adaae756c3
PDF
Publication page8f8665948f81beca218eedb89f4aaa45f7d7a0d7d15dd565dbf4e92bf0d73599
Manifest30296f3a82c960ae72c4e8c37a548cea29ceec61e63adbe1121308765978c49c

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
SignatureVPnxsC3MJskTnxXPbwyKLGU9mRRVWbRis8eb2o8OT2JMbS23iFmsyldz/wE21QEzwcMcCGaIWfCWLK8M9FQUDQ==
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

2026-09-17T11:06:03.195716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048048
observed 8f8665948f81beca218eedb89f4aaa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.178052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048048/manifest.json
observed 30296f3a82c960ae72c4e8c37a548cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.160390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048048/publication.md
observed b97d4b0e67c2a1bcd86eed575701c2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.142230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048048/publication.txt
observed 026a02380a75ae2efe08248e3039958b...
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.