OpenTechnical

OT-2026-000029558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029558) never changes.

Identity and time

Publication numberOT-2026-000029558 · never reused
Internal UUID01a0ae73-5e22-7b31-8b32-b71234691058 · 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-2026-000029558
StatusPUBLIC

Content hashes

Canonical text72b4d32dd57cd28f832e149a208e4b08ff9d0377ea9c1a3b1248017e3899ace6
Markdowna9d4a05520c4a3cd2ad906e72b2b3edb73c97f5af3dffe9c7cae6c57bc8b56d6
PDF
Publication paged05a4bef0cf25bc84d8eb5a9332f3996dd38aef1a9bee745e56f435f73467052
Manifestd79e9f963b061528b65ea874fb3315942a087361da6da3a2e919178cd6cfa4dd

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
SignatureEbDgqU+sG7xprvj+55QqBreCZmKU7ERxi8nXvCkBemoCmh9vEgrd73vDw/hGL9tk6RBzt9TsEU2d/cwJ0gRZCQ==
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

2026-09-17T11:39:14.883783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029558
observed d05a4bef0cf25bc84d8eb5a9332f3996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.859164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029558/manifest.json
observed d79e9f963b061528b65ea874fb331594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.839277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029558/publication.md
observed a9d4a05520c4a3cd2ad906e72b2b3edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.819763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029558/publication.txt
observed 72b4d32dd57cd28f832e149a208e4b08...
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.