OpenTechnical

OT-2026-000032628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000032628) never changes.

Identity and time

Publication numberOT-2026-000032628 · never reused
Internal UUID01a0ae75-1070-765c-aba1-590b65eceee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032628
StatusPUBLIC

Content hashes

Canonical texta87a68328fb39c0f48e2217a1fd3aba68362ec8143536389f875cdef42700fb7
Markdownf82cde1672032952f3aef3df2fcd8da76e03f4978c071a6a400873830c1eab39
PDF
Publication page9a7a1683ab770aaf90b779be635e9b3b40e914f1d71aaf0a72fde42253c2a3ad
Manifest1890fcaabd6bc28f8b2b0bb184c102b2fbbcfe21fde162d373faf8854e8b1fa6

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
Signature7L9MNpnoJx+KVM7AhI8+bqRXhs9/LLo0vkAIn8kntNnZEzqKTr+gLo9r7wid1j6CxWL0VvWRO4zCtA8qPH6zCw==
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

2026-09-17T11:34:12.978639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032628
observed 9a7a1683ab770aaf90b779be635e9b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.960439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032628/manifest.json
observed 1890fcaabd6bc28f8b2b0bb184c102b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.942739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032628/publication.md
observed f82cde1672032952f3aef3df2fcd8da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.924602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032628/publication.txt
observed a87a68328fb39c0f48e2217a1fd3aba6...
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.