OpenTechnical

OT-2026-000023551

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000023551) never changes.

Identity and time

Publication numberOT-2026-000023551 · never reused
Internal UUID01a0ae70-7269-79cb-81c0-d553bf8b2cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023551
StatusPUBLIC

Content hashes

Canonical text0a892349d22f040722bb5797d94e37d024b194e22eb91d23b41feea5bd75791d
Markdowncca4a9bf23ed04e8e6adaffa2428b6ac7b24f1aaf81c2749f72193d21f6ba89e
PDF
Publication page3a0160dfea711d74d8bd048b7d7d8237cf0c5c7155056539dd3a9804dab2df0f
Manifest4bc1066d0d862d80827bfd30471f2726db78705aeee83d0fded3151d3bf090c1

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
SignaturecqXFkSbhNpVyI1OgmCTCQ8XvVkSNuhIEYzTc2EaTDGgWkJOhIF0tSv+qkIpHrLVg28u15ZLA5LNKvTNUskdLAw==
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

2026-09-17T11:51:53.760141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023551
observed 3a0160dfea711d74d8bd048b7d7d8237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.741590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023551/manifest.json
observed 4bc1066d0d862d80827bfd30471f2726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.721854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023551/publication.md
observed cca4a9bf23ed04e8e6adaffa2428b6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.701490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023551/publication.txt
observed 0a892349d22f040722bb5797d94e37d0...
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.