OpenTechnical

OT-2026-000006670

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered, polyurethane cups, oval form

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-2026-000006670) never changes.

Identity and time

Publication numberOT-2026-000006670 · never reused
Internal UUID01a0a963-5dc0-7bc9-ae17-bcac0750a0b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:16.707034Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006670
StatusPUBLIC

Content hashes

Canonical text9dd261e5a3398d1a206907d0605b58d6689c882184ee2fa13db39f46401eb619
Markdown55292dc6bab1bcea1318a64e6cdcafcb4988be2ea7da54521ce0a3162d1d4add
PDF
Publication page13d290ea065c44c0237daedd4c3ac6b814207bffd7c2bbfe0bf03afc3b0018d4
Manifest79a328baad18ccf8721fdac0de04138ac8b104be969a4173092dee294d9b82f5

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
Signature7SbYhheJMZqH6QVSEw8eSz0ibuwFkRDBDMjuknrsTHqJL0DuMRdSgXlF9RJIECGS6VkJHeFQL5fzqx/avfSlDQ==
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

2026-09-16T08:50:19.171860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006670
observed 13d290ea065c44c0237daedd4c3ac6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.157476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006670/manifest.json
observed 79a328baad18ccf8721fdac0de04138a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.142997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006670/publication.md
observed 55292dc6bab1bcea1318a64e6cdcafcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.129428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006670/publication.txt
observed 9dd261e5a3398d1a206907d0605b58d6...
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.