OpenTechnical

OT-2026-000012599

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000012599) never changes.

Identity and time

Publication numberOT-2026-000012599 · never reused
Internal UUID01a0ae6d-39f8-7c60-bb98-692ddbbe7b4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012599
StatusPUBLIC

Content hashes

Canonical text345587f586b790cba89f56ef6114e5c7d9f16053f2ae1f7cf6efd5265ee4da83
Markdown89695e31c34afababc7a03fda6b77610ed3bcdc86a6272fb4c67db04501b6ace
PDF
Publication page0ad2917d34dbc729f17a70425a0382b0003688e36576c4608aaf5dd65aeb52cf
Manifest81c3b93e72082fe71dea316fe5728860adbeb00acd7b681bc0a8397f8ac22c1f

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
Signaturere5YpD5brAGS/C+kJejXCezED2V/gYLyFV4+ppUSqWak6zXa0XG454Z95c5dQJQP9vEncUB+C66vqLj0p1MQCg==
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

2026-09-17T12:12:09.496103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012599
observed 0ad2917d34dbc729f17a70425a0382b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.477423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012599/manifest.json
observed 81c3b93e72082fe71dea316fe5728860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.459411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012599/publication.md
observed 89695e31c34afababc7a03fda6b77610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.442492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012599/publication.txt
observed 345587f586b790cba89f56ef6114e5c7...
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.