OpenTechnical

OT-2026-000011918

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000011918) never changes.

Identity and time

Publication numberOT-2026-000011918 · never reused
Internal UUID01a0ae6d-1942-7f4d-89b2-17061eb4924f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011918
StatusPUBLIC

Content hashes

Canonical texte11ee8082e7b098731df18c1349b59b19d2d1965d29479ee3adffd7aee84cdcb
Markdownf912333c421a92f869b63ee13b034195b2b83249ea9ce28747d591bf9f95ec40
PDF
Publication page3dc18b86cd98ab799586516459730d7b5039fdda3ec3a5f738b4fa05d91d70d1
Manifest0cb7ff0b90baacfe991f1c0baae32a04bc43882e34911c632c01dee4a9052fd6

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
Signaturex4od89RoaNSC59bDB7Cv/mDe5x3g0/6AnTfzY+Oax6+RRUo8mV9zG0xO5PujYFBx2QxU7mgpzUh5jw+Xh1OIBg==
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

2026-09-17T12:12:41.023690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011918
observed 3dc18b86cd98ab799586516459730d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.006092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011918/manifest.json
observed 0cb7ff0b90baacfe991f1c0baae32a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.987190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011918/publication.md
observed f912333c421a92f869b63ee13b034195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.968519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011918/publication.txt
observed e11ee8082e7b098731df18c1349b59b1...
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.