OpenTechnical

OT-2026-000006940

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, pump fed, contact triggered, silicone cups

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-2026-000006940) never changes.

Identity and time

Publication numberOT-2026-000006940 · never reused
Internal UUID01a0a96d-090b-7f85-a68b-59eaf93f309d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:50.382039Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006940
StatusPUBLIC

Content hashes

Canonical textae889aec26cc0fac7fd28d38c44572969ec5c4a77beba44f171cf23530c9e266
Markdown3bd98f7f0a26295b8391060c96f2589c7924174398d0d4f2a36493e80b684da4
PDF
Publication page62c8a4cf2c0dcd7f13f96a85751d20b4fb2fc2111888c10f46123fa486728dbf
Manifestf771c753a79a18d4d7736b71ea7c4bc3ac1bcc88c1317806f01015ff169d2fc3

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
SignaturenuGo420gBuLFaaRBGHjalK1ctUTOwTt7i4BG5TVflsyqIYkGghl4D2w6i/G+pZ/nhJ+jtGeCGIs2v2uBm21hCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:19.718662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006940
observed 62c8a4cf2c0dcd7f13f96a85751d20b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.707058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006940/manifest.json
observed f771c753a79a18d4d7736b71ea7c4bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.694977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006940/publication.md
observed 3bd98f7f0a26295b8391060c96f2589c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.682319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006940/publication.txt
observed ae889aec26cc0fac7fd28d38c4457296...
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.