OpenTechnical

OT-2026-000007811

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000007811) never changes.

Identity and time

Publication numberOT-2026-000007811 · never reused
Internal UUID01a0ae62-8d39-728a-a315-53ff1e36cbf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007811
StatusPUBLIC

Content hashes

Canonical text595d7e999e0f6eb816a20151710f2baadc3ffe7f5e5301e5a93d1db93081079f
Markdown92f6215dee22c5b742a010f0d2206d0fc2698ce396db05e3fdd2af05eef82b74
PDF
Publication pagedfb0d85a3e4b483b821bb16f0383687b793a85865810e37053266b99f72dd38e
Manifestb45d133b92ad68e1bfb3fc3d62f7d11cef32736d171fd19d2f47cc3c96c14c7b

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
Signatured/z4VLrRprhpWnNkT7NrLJ9BbRuNjSwu7Nz3hy+UYCTr/9dglKSrAYkFziDETPXEzDYkKRHBr1r3k/5ZOIk4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:03.928811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007811
observed dfb0d85a3e4b483b821bb16f0383687b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.910870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007811/manifest.json
observed b45d133b92ad68e1bfb3fc3d62f7d11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.892700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007811/publication.md
observed 92f6215dee22c5b742a010f0d2206d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.873621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007811/publication.txt
observed 595d7e999e0f6eb816a20151710f2baa...
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.