OpenTechnical

OT-2026-000032260

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000032260) never changes.

Identity and time

Publication numberOT-2026-000032260 · never reused
Internal UUID01a0ae74-f7a8-7714-9f8d-3d4320156ea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032260
StatusPUBLIC

Content hashes

Canonical text02308e25868442dc17700fe1f4f6069eb7ecb02dd7ce0ee419d1ebe4e50ccb58
Markdown4e8c86aeff06c7d3e8bd25f4114b2dc9e224d13039d57932fda21cfe50df9516
PDF
Publication page89291eca353c08be8dae9f019368d720b8b049063dac3e8a97472a953cebc5af
Manifest9b080e56f71e0a0eb104d6fab8f0620b2df23f29cb99141ef9b0739d2a84f4dd

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
Signature/mHlIMN/SOcSdGi6LUTp3vi0yL9Mn0cSexU+5ntaQjuerpH0suv5xAZWzqTgjLfsapceoLrkV61Sh4EoHf4oCA==
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

2026-09-17T11:34:37.208761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032260
observed 89291eca353c08be8dae9f019368d720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.191131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032260/manifest.json
observed 9b080e56f71e0a0eb104d6fab8f0620b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.172232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032260/publication.md
observed 4e8c86aeff06c7d3e8bd25f4114b2dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.148680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032260/publication.txt
observed 02308e25868442dc17700fe1f4f6069e...
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.