OpenTechnical

OT-2026-000050121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000050121) never changes.

Identity and time

Publication numberOT-2026-000050121 · never reused
Internal UUID01a0ae81-fd79-7ce5-8740-97ef0ca77043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050121
StatusPUBLIC

Content hashes

Canonical textb97499ae08a94dfbebac6c1f7584b62b5f2b8b4140261a14ef17636e2d217873
Markdownd999a3f80a561a02ad53dd0884b5fa60378e66d1bb9606a7178c67be6e7ab17e
PDF
Publication page1ac36722dce1078cfc44f727686af924c17da5639b9818aadecbc3dcad892ffe
Manifestf1435a0706d8b126e915a602090d4207848df8700022a7ee448ab79f1a96a526

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
SignatureGbR2O+QLPqAnF+oAaTWPzUlhT4gqfZ7k55EbZg5nlo6j7dVxk0B8fQcV580AiccKPP+RiFkvqVfN5H3x6SWxCw==
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

2026-09-17T11:02:07.598051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050121
observed 1ac36722dce1078cfc44f727686af924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.580172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050121/manifest.json
observed f1435a0706d8b126e915a602090d4207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.560823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050121/publication.md
observed d999a3f80a561a02ad53dd0884b5fa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.542666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050121/publication.txt
observed b97499ae08a94dfbebac6c1f7584b62b...
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.