OpenTechnical

OT-2026-000024791

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000024791) never changes.

Identity and time

Publication numberOT-2026-000024791 · never reused
Internal UUID01a0ae71-2726-74d8-8c94-065d66114c3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024791
StatusPUBLIC

Content hashes

Canonical texta40d2b3edf3435fa1aebe26cc34bb0e49b1bbe5e0f263eb382c6b1bca2e5a72c
Markdown9c174a4c5d23f3616f7560beff3bdeb2f4cbf9821e48a2376ebc446d71cf404f
PDF
Publication page630ee9d6dff2864aeebe7a566663c8fcc643f452684a7a55cd95282126bfa524
Manifest5637ff47680b13b25d52c12ae3f4b197d0829f65e6106769afb782d874465dc9

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
Signaturehw9ZKMedkIYal1gIaJ0OEZ21ZHsrJk2/2YNyMd3Y6DbWYsgqwePEanNd1+QWMTkVsPr6xEzYxhYR2DMHHRC7Dw==
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

2026-10-28T20:42:11.627817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791
observed 630ee9d6dff2864aeebe7a566663c8fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:42:11.547935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/manifest.json
observed 5637ff47680b13b25d52c12ae3f4b197...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:42:11.451348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/publication.md
observed 9c174a4c5d23f3616f7560beff3bdeb2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:42:11.291080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/publication.txt
observed a40d2b3edf3435fa1aebe26cc34bb0e4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T04:41:49.364049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791
observed 630ee9d6dff2864aeebe7a566663c8fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T04:41:49.290241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/manifest.json
observed 5637ff47680b13b25d52c12ae3f4b197...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T04:41:49.160473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/publication.md
observed 9c174a4c5d23f3616f7560beff3bdeb2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T04:41:49.023872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024791/publication.txt
observed a40d2b3edf3435fa1aebe26cc34bb0e4...
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