OpenTechnical

OT-2026-000042205

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000042205) never changes.

Identity and time

Publication numberOT-2026-000042205 · never reused
Internal UUID01a0ae7a-5d72-7937-9b12-1cddd4be965b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042205
StatusPUBLIC

Content hashes

Canonical textbaf41f546611f082935f6334a180581c5cb6b36270e31736676e9fbc9c76eee7
Markdown9f5bd60f8e7d1974f887a27b6c89c2780cd476106281271bbd17728546bf50ae
PDF
Publication page5a95fa67b1510f025d3c56ce8b1c301f7d3fb47ad4c771f90a36ad79a23b19e8
Manifest3bec797a6873176f75cc533d0889a22b4d643f7816c01218ccc6e4f5bda167cc

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
Signaturey2BdZF/oxCDfN+M5Izkn2qv0UT1pkw5lfYtdlxfFRZ/BmITGZDtqLU0zCNYMTxvR+JtHZgVIO7gZW3cnQ5Z4Bg==
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

2026-09-17T11:15:52.391187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042205
observed 5a95fa67b1510f025d3c56ce8b1c301f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.373497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042205/manifest.json
observed 3bec797a6873176f75cc533d0889a22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.354948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042205/publication.md
observed 9f5bd60f8e7d1974f887a27b6c89c278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.338383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042205/publication.txt
observed baf41f546611f082935f6334a180581c...
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.