OpenTechnical

OT-2026-000063616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000063616) never changes.

Identity and time

Publication numberOT-2026-000063616 · never reused
Internal UUID01a0ae8c-f945-7874-a600-51246f5268e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063616
StatusPUBLIC

Content hashes

Canonical text94faf28021833cef9f4b38b5a70a5b471f30156e8208c06c98977722cfd796b1
Markdown0891b017eb01e4095e6ffc8759a7d56ef4230d8a895e1829fd1988f73a9b7d07
PDF
Publication pagee67d962976e11b52cd625c12e6be0e4cf9b47d09d6eeedc3b3a46e059f7146fa
Manifestbe66488da3937ff8e6e28f08b28f9cd483081e874d6a9702c839ad3eb9c316ab

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
Signaturee8/HPRwbyWXaJ4lsjkDKR8ROBDdgVCqF+tvSempqBzQhHQH8hrkCpwDa8e4tE9xsCADixjJq/MZIoXH1zTYPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-12T20:41:03.130847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616
observed e67d962976e11b52cd625c12e6be0e4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T20:41:03.078449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/manifest.json
observed be66488da3937ff8e6e28f08b28f9cd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T20:41:03.025484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/publication.md
observed 0891b017eb01e4095e6ffc8759a7d56e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T20:41:02.930781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/publication.txt
observed 94faf28021833cef9f4b38b5a70a5b47...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:27.044539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616
observed e67d962976e11b52cd625c12e6be0e4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:26.903421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/manifest.json
observed be66488da3937ff8e6e28f08b28f9cd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:26.790982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/publication.md
observed 0891b017eb01e4095e6ffc8759a7d56e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:26.615449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063616/publication.txt
observed 94faf28021833cef9f4b38b5a70a5b47...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent