OpenTechnical

OT-2026-000007275

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, ejector fed, rubber cups, flat form

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-2026-000007275) never changes.

Identity and time

Publication numberOT-2026-000007275 · never reused
Internal UUID01a0a978-f726-73d1-ad8a-c77e0e3050bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:52.232965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007275
StatusPUBLIC

Content hashes

Canonical text85f0dd0773a913399e450fe4e1b5a8de5244ebbc2b8c65e513c50cfa009e6109
Markdown69e9944fef66d5174965c52ab91e22c5b8092e6058933dfd9650f4891c01086d
PDF
Publication page5beece6024a3849787f68707a2b681a80bd1416a1de185aafb44403a677e4aca
Manifest13ce2f2a60fa3df1166568738e94702bf457deee6b7cde80491d5c9479f32fac

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
SignatureI0mlKzwSEz/dHHNOCIyxr8tnPQ7otf54RPY3nA2fXte9bbgaez1rEhZuuG46Asl9vXtNRhk0MRj4Wfx/tBNaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.917898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007275
observed 5beece6024a3849787f68707a2b681a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.906127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007275/manifest.json
observed 13ce2f2a60fa3df1166568738e94702b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.894419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007275/publication.md
observed 69e9944fef66d5174965c52ab91e22c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.882157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007275/publication.txt
observed 85f0dd0773a913399e450fe4e1b5a8de...
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.