OpenTechnical

OT-2026-000024169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000024169) never changes.

Identity and time

Publication numberOT-2026-000024169 · never reused
Internal UUID01a0ae70-e8c7-7003-9135-6ab2dafd917d · 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-2026-000024169
StatusPUBLIC

Content hashes

Canonical texte0914a1ba28327866d28b8c28a7cf0a0718a0e2a9477ec9465d5083e34caff03
Markdown1ca45f8e68de6d59399f7a5fd9a78abb488bf7c08dcd21bb85d714cc1fe5c29a
PDF
Publication page99c98ffdc2a9a8db195e6210a11e5e00051b1912298bf01c85553168f848d378
Manifest68c9b1dda0a1a63b0bd86d06ae13d4fde2a3adaa4c3ed36c9ef79f8ad2b31471

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
SignatureMjudKHrSE9oO3kc+JVqPUZ+K6RozfmkvYt2Hl7xUIJSarSe6drmMvQR1rLDJq85DYNfWBZCRj7+6PU/PGhGqAQ==
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

2026-09-17T11:48:37.278443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024169
observed 99c98ffdc2a9a8db195e6210a11e5e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.261249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024169/manifest.json
observed 68c9b1dda0a1a63b0bd86d06ae13d4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.244328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024169/publication.md
observed 1ca45f8e68de6d59399f7a5fd9a78abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.225725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024169/publication.txt
observed e0914a1ba28327866d28b8c28a7cf0a0...
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.