OpenTechnical

OT-2026-000029230

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000029230) never changes.

Identity and time

Publication numberOT-2026-000029230 · never reused
Internal UUID01a0ae73-2aa0-76fb-82a2-e738fd81d2f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029230
StatusPUBLIC

Content hashes

Canonical text76af36ae4ca80fd2a078aded8c2af880c5bed88c241615a549017a7deada27fb
Markdown72833dcb980b630a8f66d436266db7ff5f1628215b760f4fd91c3a7517abb080
PDF
Publication pagea0725f8e7ddb4939f74ebe044245321f1ec9b8148df61c0d0e59cce19bcc7e68
Manifeste09e6caffbf81a3ae17d7aca28c71a3030319b6953f8e8c330d81f6e1951fb27

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
SignatureFd5QNhw1tWSgQ9q4hnnJ0MFq2uxI+lt8l7EcJvriaGqBd67GiV7TEXqjnVsW/23NaB43oYptxwDM1/WkfqinDQ==
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

2026-09-17T11:39:51.226858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029230
observed a0725f8e7ddb4939f74ebe044245321f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.208588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029230/manifest.json
observed e09e6caffbf81a3ae17d7aca28c71a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.191343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029230/publication.md
observed 72833dcb980b630a8f66d436266db7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.174824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029230/publication.txt
observed 76af36ae4ca80fd2a078aded8c2af880...
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.