OpenTechnical

OT-2026-000025218

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000025218) never changes.

Identity and time

Publication numberOT-2026-000025218 · never reused
Internal UUID01a0ae71-5fa6-76e6-9c8a-eaa25063a6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025218
StatusPUBLIC

Content hashes

Canonical textf45d577720c71a7a9eafa4b50afbe3ae98b4d65193fc7a78aa40ca62cd32c6e3
Markdownced1487211f581290d835ad6f1f673e454fdf6739c2f43bb75500c08b225d933
PDF
Publication page3aed3bc8f88f7f4acfd30697c1e4e221f3f52ac8002b996e7e8cf69c3c0f559f
Manifesteb34ceaa87dac3013a4f02aa4b1df33b02df67f59ae6f8a0064602af04b11ad4

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
SignatureFnCtIiVyEdJ7sU/fMvO6QF3ootKZ32GKq9X4g0H5cJUl5InUMJ5xRwP2y23bUyVDOmkjzZ/3XsyS4a56lDB/Dg==
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

2026-09-17T11:47:13.190977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025218
observed 3aed3bc8f88f7f4acfd30697c1e4e221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.172112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025218/manifest.json
observed eb34ceaa87dac3013a4f02aa4b1df33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.153655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025218/publication.md
observed ced1487211f581290d835ad6f1f673e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.137070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025218/publication.txt
observed f45d577720c71a7a9eafa4b50afbe3ae...
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.