OpenTechnical

OT-2026-000031380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031380) never changes.

Identity and time

Publication numberOT-2026-000031380 · never reused
Internal UUID01a0ae74-87ad-7d0a-8b01-a9b8dcc54a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031380
StatusPUBLIC

Content hashes

Canonical text2966ee604ef8087160dd146ece51f24871afeab9e45f6a3ffa2559eb1d25f715
Markdownda1e840692a50a3f183460fefbfd4c4ff0e8abc1fe1fe461116d924841ce74e8
PDF
Publication pagedb67f2b1d3c945b086dd608555587e63ef450b241a1bf2834df76b778073b33e
Manifest5659abee2e59418c7ca44d7961154ac1918a05ae7af73380260352ebcfd427c0

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
SignatureyP2pFT5uAaqXc9MoXieKO5/SVLv/UQZJHu5w+nvAHCgB+VIS8xZ1DAOln/2hs2dWhb15DVvWRbPwLgwLs3AuBg==
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

2026-09-17T11:36:05.230038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031380
observed db67f2b1d3c945b086dd608555587e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.206245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031380/manifest.json
observed 5659abee2e59418c7ca44d7961154ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.188221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031380/publication.md
observed da1e840692a50a3f183460fefbfd4c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.170623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031380/publication.txt
observed 2966ee604ef8087160dd146ece51f248...
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.