OpenTechnical

OT-2026-000025997

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000025997) never changes.

Identity and time

Publication numberOT-2026-000025997 · never reused
Internal UUID01a0ae71-a83f-7af1-88e8-f914a5d92a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025997
StatusPUBLIC

Content hashes

Canonical textc6505c86619a2828f7c18590d5fec95a43408f1a4f3663fd8237e6d3be18e98a
Markdown009a1c9a0a397e96137a12e4f6b2e09bc705e6a4872b529b5b968e5087fb9640
PDF
Publication pagea9a667941e36a53a99704e5b469f29786cbd94210960495eb607e3e7bdce0db2
Manifest7d9d2a3c0e85532f276c64f28aef97d7ddaff1546e5d4c04a6399359f769883f

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
SignatureH+c23HuZutNZIWl1+JxbhRBnIEnyteUR2KkTLOYKJmJVY7zULCTcQBjOjbuaeLbPD+poDXEogSu9gaMFGgSvAQ==
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

2026-09-17T11:46:22.296300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025997
observed a9a667941e36a53a99704e5b469f2978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.277846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025997/manifest.json
observed 7d9d2a3c0e85532f276c64f28aef97d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.259204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025997/publication.md
observed 009a1c9a0a397e96137a12e4f6b2e09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.239082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025997/publication.txt
observed c6505c86619a2828f7c18590d5fec95a...
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.