OpenTechnical

OT-2026-000040719

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000040719) never changes.

Identity and time

Publication numberOT-2026-000040719 · never reused
Internal UUID01a0ae79-6d0f-7ec7-95b6-8fdf277f1735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040719
StatusPUBLIC

Content hashes

Canonical text7229002a6dd47e5a769bba68c20a2abfed1d702f906779d58a73efb76ed41acd
Markdown4966f2ce4f1b2cd4aed2b38255b6d1c676c480a3ce71897b61e2a8bea2b0a6b7
PDF
Publication paged7f7dcbc34b117446598cd7a441756ed758acb90935f358bf045f0d1356d0f8c
Manifestb09fd209b2b116c3cc34a030e13083d08074ca655d51301c68256ec10b18a7bd

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
SignatureVTP5lFHDMNHlMG5u3JmE3xmbSr/zy84L8zZ07mJTIh658skRd9h15dh7/u4xP13VP62Qv+vnVDVdq0fjZJ72DQ==
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

2026-09-17T11:17:59.173953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040719
observed d7f7dcbc34b117446598cd7a441756ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.155822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040719/manifest.json
observed b09fd209b2b116c3cc34a030e13083d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.136911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040719/publication.md
observed 4966f2ce4f1b2cd4aed2b38255b6d1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.119679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040719/publication.txt
observed 7229002a6dd47e5a769bba68c20a2abf...
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.