OpenTechnical

OT-2026-000062133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000062133) never changes.

Identity and time

Publication numberOT-2026-000062133 · never reused
Internal UUID01a0ae8b-b8b0-7dce-95f2-cd157c0e0439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062133
StatusPUBLIC

Content hashes

Canonical textd5e71e084334f549f146e39dbc528670ab1f66e55691e2322136bf878d25d2d0
Markdown12519911bdaeabbf92ee6dcec980dc6f062dcf2f2328a612632da020deaca9b9
PDF
Publication page3cd1b05ad1943e186454bc0d0528d0805c58bf51e86d8398c37dac78a2968539
Manifest9406f350d03be6fcd1a55a1f1fa1674988e23509e396ec12b730f8209853c038

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
SignatureA3w/RXuYydhlk9dC5QeblQHKPAq6G8IgtfEh3xtJbaR8wEY4eGlkWaa3TK0TeDe2ICF5Bj6VJjFfp9u7tmufDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:11.974307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062133
observed 3cd1b05ad1943e186454bc0d0528d080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.956748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062133/manifest.json
observed 9406f350d03be6fcd1a55a1f1fa16749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.937787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062133/publication.md
observed 12519911bdaeabbf92ee6dcec980dc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.919995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062133/publication.txt
observed d5e71e084334f549f146e39dbc528670...
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.