OpenTechnical

OT-2026-000031365

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000031365) never changes.

Identity and time

Publication numberOT-2026-000031365 · never reused
Internal UUID01a0ae74-87ac-7d35-a6a1-4a726022a7c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031365
StatusPUBLIC

Content hashes

Canonical textd04e65a1792c8dc6e7f61a7b92b380004c7ce7baa0e6306105f4d89cafdc30fe
Markdown9b51e1189de787df614c4807d6d78a96803fe6596f02584148b9d0f7d4cd6c86
PDF
Publication pageedd7aafae5a99ad000608ce46be62a8afbb253562beb2b63cb5fce2030500466
Manifest5ff308fb9af7b4931def86090ad24b9d3ffa82da2d3cbbad87ee5c5380566dfd

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
SignaturepVMHj9XYEhS0FxgzsUwj84Ka9L2xO6W6YJ5xtGf1I+0+tY93HxWMiDAPelHLabQHF9Rl0HBpTYNb4J/1i5iOBA==
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

2026-09-17T11:36:04.065764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031365
observed edd7aafae5a99ad000608ce46be62a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.047346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031365/manifest.json
observed 5ff308fb9af7b4931def86090ad24b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.025742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031365/publication.md
observed 9b51e1189de787df614c4807d6d78a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.009053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031365/publication.txt
observed d04e65a1792c8dc6e7f61a7b92b38000...
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.