OpenTechnical

OT-2026-000046501

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046501) never changes.

Identity and time

Publication numberOT-2026-000046501 · never reused
Internal UUID01a0ae7e-57dd-701c-a725-896ad101979c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046501
StatusPUBLIC

Content hashes

Canonical texte8132d5090bf821ce70b7aba6139c8325250be55ec54fed4a657a551a370b914
Markdown2bf2ebc508089a4619347629b732cbe3e098a83c6226ae80f2b0d45df39e5a52
PDF
Publication page748d0ddb2bcb935ba06d05034735cb2c03735bab22c5c4dce40f77c08d18e0b8
Manifest99fece44eff105d16409556eeb3d8c542c0b783eee55699a1c17988fcaf8b992

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
SignatureSBUXDylSGUUZ6iTMz4mVkx4V9qBSk8S1B2M4Zdqy+SVHFTCon/UvgNvIawj4vQVH+qmcSOQj/D0aeaxG0iOaCA==
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

2026-09-17T11:08:32.507417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046501
observed 748d0ddb2bcb935ba06d05034735cb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.487624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046501/manifest.json
observed 99fece44eff105d16409556eeb3d8c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.468768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046501/publication.md
observed 2bf2ebc508089a4619347629b732cbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.450629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046501/publication.txt
observed e8132d5090bf821ce70b7aba6139c832...
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.