OpenTechnical

OT-2026-000014986

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000014986) never changes.

Identity and time

Publication numberOT-2026-000014986 · never reused
Internal UUID01a0ae6d-d096-79e5-84f2-8858ef047707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014986
StatusPUBLIC

Content hashes

Canonical texta4c3d1733c149e34051efc22747ad7e14199ab4a4873fc770966a8d0a29c886a
Markdown4d63b17d953e4e0047561f0f11ed690c66fb85f7c98d5b8cf05768d405e655bd
PDF
Publication pageca7cbd72c6dcf7699b72ab06ebfe266d82773c7588baaa56af823007b45ed08c
Manifestf8f05aa2d3563983d88cae22ba8727329982de9244d349142d6a104093e3103a

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
SignatureLv4Lr3E7tOM8sULXravwL6bfRH+ZKy+rFWkGy4mm4Ag64222fqslVOpyWAo3ZaeD+rbRk9sXEYvLdzUk1cRUBg==
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

2026-09-17T12:06:56.853277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014986
observed ca7cbd72c6dcf7699b72ab06ebfe266d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.834380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014986/manifest.json
observed f8f05aa2d3563983d88cae22ba872732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.816006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014986/publication.md
observed 4d63b17d953e4e0047561f0f11ed690c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.797312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014986/publication.txt
observed a4c3d1733c149e34051efc22747ad7e1...
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.