OpenTechnical

OT-2026-000049316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000049316) never changes.

Identity and time

Publication numberOT-2026-000049316 · never reused
Internal UUID01a0ae81-1350-7faa-96c2-0a9ff672fd13 · 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-2026-000049316
StatusPUBLIC

Content hashes

Canonical text1f7134afd05bc2f2af884b999abbe7e858ad8f9e8a084c340998e7aff35bfd2f
Markdown6723dea251c8d9627391974de470946cbea9a18e704b93068b304ab0928abd76
PDF
Publication page94b8ae1066699e860eb305c45360f73c37c1345abd1d860c13782c5caab80717
Manifestccd5b8b09b9cb749bbbae3e964d02dde93fe5c52c6e174c373f726e937a5f5d2

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
SignatureFHSlZ9X7YamRcwC6HNy0hrviDiz09EwU3kLZ/nX9law25Nrx5WQ30Jh9TeBclvCg37cNmKlYYncKJ44Vg4mhAQ==
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

2026-09-17T11:04:11.197514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049316
observed 94b8ae1066699e860eb305c45360f73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.176899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049316/manifest.json
observed ccd5b8b09b9cb749bbbae3e964d02dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.157652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049316/publication.md
observed 6723dea251c8d9627391974de470946c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.137778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049316/publication.txt
observed 1f7134afd05bc2f2af884b999abbe7e8...
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.