OpenTechnical

OT-2026-000006346

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, sustained blow off after 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-2026-000006346) never changes.

Identity and time

Publication numberOT-2026-000006346 · never reused
Internal UUID01a0a957-c9a8-77b3-94c5-367152504436 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:37.899349Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006346
StatusPUBLIC

Content hashes

Canonical text79e6a9135899bbb521069481b8ea0320c56502a6cf92b5daf96e4cc3b42c3f64
Markdown2479a8421cffbca7d76aac028dae562d06f07d2b5c5b833a93d1c0ef23b48833
PDF
Publication page4f2373c1b5465c78375e24c13672c101dacad1a890d194b56f3e036f9b5b90f6
Manifest678fa388470388bf4d12b1ef73822cb427ce2a0e9855fbdeab7b570efc7eed74

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
SignatureXYw/yeDOEP4/Hb8VSF3kV5c7rAzibQwrSTPPHrzmiwoRBfEvVStU/XozqhEGaDi8Sg3CkZssiILJisBSvwl2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:28.706670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006346
observed 4f2373c1b5465c78375e24c13672c101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.689632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006346/manifest.json
observed 678fa388470388bf4d12b1ef73822cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.675960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006346/publication.md
observed 2479a8421cffbca7d76aac028dae562d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.664699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006346/publication.txt
observed 79e6a9135899bbb521069481b8ea0320...
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.