OpenTechnical

OT-2026-000043352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000043352) never changes.

Identity and time

Publication numberOT-2026-000043352 · never reused
Internal UUID01a0ae7b-327e-7075-bb13-dbf1c871af5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043352
StatusPUBLIC

Content hashes

Canonical text2869633e7b933b8e7e652bb4c877c4f31ae49ab58ebdb994834782bd0e200668
Markdown9c98a9ebc34df80e1c901779f6920645584a9c3663507eaf4a96bc96cd05b034
PDF
Publication page37a1942ec53891bf53d561d78368fb0d3c17403f6fd796541b103b071f6bf782
Manifest1217b9a9affecfc21832b92d2354f1da7f63099190635cb1234685d6d72ddcb6

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
SignatureDp2UQhfHjbTdf2wnAKJ+4Tqbdvm8VCMR6bG/0qfMlzKmlyRyB61U2CuDAbj5ELbJRkUUe0GlMzQ41XaWiFS3Dg==
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

2026-09-17T11:13:52.155803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043352
observed 37a1942ec53891bf53d561d78368fb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.135993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043352/manifest.json
observed 1217b9a9affecfc21832b92d2354f1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.115908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043352/publication.md
observed 9c98a9ebc34df80e1c901779f6920645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.097764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043352/publication.txt
observed 2869633e7b933b8e7e652bb4c877c4f3...
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.