OpenTechnical

OT-2026-000037140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000037140) never changes.

Identity and time

Publication numberOT-2026-000037140 · never reused
Internal UUID01a0ae77-7741-77da-b1aa-f8b3fab85295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037140
StatusPUBLIC

Content hashes

Canonical text8534f076a223bb7c466a243ec03edde5074d93f3e58202869599c904e64c9665
Markdown710edf3582474783055a2de77d00bf5992ad45aa3bd56c7254cbba5d85993e25
PDF
Publication pagedb95c3e736ad3dae8430f4f96b5e941798c29105430a5a978a92b46a8f5012ab
Manifest362a1569bf6ee7eeef91c1d00cf25909322f8e150866013dccb2dd01b3c2b712

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
SignatureCey4VMuOFWxqlFGaugnF1Cx71svnSYccq9t8Pblv0vTuY/+kbOnqHMGJsJ2nbwMnzwxq8GpRpsupkXqN/SbJBg==
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

2026-09-17T11:25:01.157564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037140
observed db95c3e736ad3dae8430f4f96b5e9417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.139795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037140/manifest.json
observed 362a1569bf6ee7eeef91c1d00cf25909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.123405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037140/publication.md
observed 710edf3582474783055a2de77d00bf59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.106454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037140/publication.txt
observed 8534f076a223bb7c466a243ec03edde5...
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.