OpenTechnical

OT-2026-000046071

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000046071) never changes.

Identity and time

Publication numberOT-2026-000046071 · never reused
Internal UUID01a0ae7e-032a-73de-b2fc-f7cd18158374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046071
StatusPUBLIC

Content hashes

Canonical textde7d704b1228fec39766c3c443ff3a09b235a3c78411da943f0862fc8e90f00a
Markdowncd2fdc86eba23fa477d44758c181d2d4ba26c63570a8cd96e32ef050a8df8638
PDF
Publication page6acd59c98da682aaac1f884aa44ffeddcf7eede4972919e6d5625717b087e579
Manifestcb81e68e670a137b6cc6f4f3c1ab469ca96c81ca3825498f9720476edc4e4d46

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
Signature61aVyzgpL3G9wCKVxNziIm64tMTkXfo2iWpY44p4AZB4oLeMOd5ikgo67D7Q9FbC15NH5gp/isxK2dyYW23UAg==
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

2026-09-17T11:09:02.124110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046071
observed 6acd59c98da682aaac1f884aa44ffedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.101983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046071/manifest.json
observed cb81e68e670a137b6cc6f4f3c1ab469c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.081224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046071/publication.md
observed cd2fdc86eba23fa477d44758c181d2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.061294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046071/publication.txt
observed de7d704b1228fec39766c3c443ff3a09...
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.