OpenTechnical

OT-2026-000023944

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000023944) never changes.

Identity and time

Publication numberOT-2026-000023944 · never reused
Internal UUID01a0ae70-aed6-74c9-81f1-3996405a0e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023944
StatusPUBLIC

Content hashes

Canonical text628fb4c5032b3d1fb275e0020fec3ac8b6819636599dee7ddd37afc365780853
Markdownb50237a740e0a23395510bbbcab8097ab4840ee36eba4e28327fd2a910622585
PDF
Publication page6409bd0767b44c75a7d10528f1b6f0e714b917981f961713693f90e4905d4914
Manifest079dfb7c1611db4f2e42000c1c6ab24df5f1a2344b17ccc666aa0e29a51ab134

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
SignatureNJy7mC6EmEAxvCbPIaJYQgQ4jV1Ge/xGNF83rEbqQ+cF7sWUkWGaolqgD4q4/+I4Lpx9/Ybqy/BdftRSVIFfBQ==
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

2026-09-17T11:50:34.491350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023944
observed 6409bd0767b44c75a7d10528f1b6f0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.471172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023944/manifest.json
observed 079dfb7c1611db4f2e42000c1c6ab24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.455373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023944/publication.md
observed b50237a740e0a23395510bbbcab8097a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.438288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023944/publication.txt
observed 628fb4c5032b3d1fb275e0020fec3ac8...
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.