OpenTechnical

OT-2026-000040556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000040556) never changes.

Identity and time

Publication numberOT-2026-000040556 · never reused
Internal UUID01a0ae79-6d0d-704d-9057-2d4b7aa07519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040556
StatusPUBLIC

Content hashes

Canonical text449d94519dc502c3276a2ff95b2159d839b8fe2825a12552fd9df369bfd4ba22
Markdownae5fbcacf3ebb47f6af2ff663e43c6a87f23fa7d5de0ff30059fdb508d6fcdb6
PDF
Publication pageed07669062dedc605166de2e93c788bf47bc4fa00fc9d205561f0f27062bf6af
Manifeste134915b35f2e6b15d2e4d80132979b7e939fcb5e710faffa718b721f8b8511f

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
Signatureu/c8g95TwHeNqAmyVuNSy8O48EQC/XNSPJt/kabzZhBT6KNQLi3oxCtwbHbLPvFkCJce2DbtPcNh7marsW5BCQ==
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

2026-09-17T11:17:43.011232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040556
observed ed07669062dedc605166de2e93c788bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.994847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040556/manifest.json
observed e134915b35f2e6b15d2e4d80132979b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.977549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040556/publication.md
observed ae5fbcacf3ebb47f6af2ff663e43c6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.958660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040556/publication.txt
observed 449d94519dc502c3276a2ff95b2159d8...
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.