OpenTechnical

OT-2026-000024326

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000024326) never changes.

Identity and time

Publication numberOT-2026-000024326 · never reused
Internal UUID01a0ae70-e8c9-7c99-86ea-4e8f296a3020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024326
StatusPUBLIC

Content hashes

Canonical text454b6abf5b1801f2a0042b85ed64f6ed61cb08423865168ba129bf00bdf568a8
Markdown2c38b9cd260c1022d72293a66fcb98d0a1367ba7faef09032e0d19437082ee77
PDF
Publication page8d83d06c3515d5e1703042b96a4fa38e1270d2ad101fae0e522b0225dc819099
Manifest94feb4528af24f3310faf5cc11a0a244ab3f3cae1988536a1e283fe41c52a286

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
SignaturetrZLjhifuYbjOu+C8kj1etbtDt9bJ4oSIrtGB0Oi0hlCglHx/ccVScrD6KltUIXIiso7xtYJITowuXB60NxdAA==
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

2026-10-16T00:41:19.002223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326
observed 8d83d06c3515d5e1703042b96a4fa38e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:18.883878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/manifest.json
observed 94feb4528af24f3310faf5cc11a0a244...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:18.782041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/publication.md
observed 2c38b9cd260c1022d72293a66fcb98d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:18.500151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/publication.txt
observed 454b6abf5b1801f2a0042b85ed64f6ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:42:04.471256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326
observed 8d83d06c3515d5e1703042b96a4fa38e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:42:04.387494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/manifest.json
observed 94feb4528af24f3310faf5cc11a0a244...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:42:04.264895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/publication.md
observed 2c38b9cd260c1022d72293a66fcb98d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:42:04.148899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024326/publication.txt
observed 454b6abf5b1801f2a0042b85ed64f6ed...
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