OpenTechnical

OT-2026-000029664

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000029664) never changes.

Identity and time

Publication numberOT-2026-000029664 · never reused
Internal UUID01a0ae73-5e23-7d3e-b6b8-aca725637a82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029664
StatusPUBLIC

Content hashes

Canonical text7254a81d7ddcac4de37978ff74656c21122394732caf3ee5dcf044df22a57e36
Markdown718b93b5ff9536e9efbef161e256e625bad0e69f302c51ae0063bd1fea5d0695
PDF
Publication page3b6b5819e7ef234f312e37ac0280f504453f77c6f0af5dc313aae3a205873e18
Manifeste6f19a4bf111c2bd1e5d83d3d7c7fea984306eee57ba401c3e976edade7d9819

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
SignatureIW5dvmdjIMWw3C3WIkQl+6l/KNL/yHI/dZ09TiJyIFOEgMTwSUMUuik7RhW9gRzoBOmYhFcTddSP5IMRZuuEAA==
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

2026-09-17T11:39:22.915792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029664
observed 3b6b5819e7ef234f312e37ac0280f504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.894680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029664/manifest.json
observed e6f19a4bf111c2bd1e5d83d3d7c7fea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.876624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029664/publication.md
observed 718b93b5ff9536e9efbef161e256e625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.860587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029664/publication.txt
observed 7254a81d7ddcac4de37978ff74656c21...
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.