OpenTechnical

OT-2026-000048590

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048590) never changes.

Identity and time

Publication numberOT-2026-000048590 · never reused
Internal UUID01a0ae80-4de8-74f0-b2ae-4790ac1d5a80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048590
StatusPUBLIC

Content hashes

Canonical text077babc4056abb2559f23ea757d687304ed24b637ea6b48dc49ee7ea12dfdcb0
Markdown9d8f61ae667a4cef91f10b5f6f7f63dbb05b83a93815e7504fd9c1a4b2f17259
PDF
Publication page815f61b780c0f4ebf52f2b4c2e56955269714c15638f7af4e27d319bf3bf9243
Manifest967f85987af1561f49c6ca7acdbb47a51d35716dc6cd8d80e9805c40d7daf139

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
SignatureSqZXzayUbxqvXVGhRAenSrIOcM6QPBzeAFfP/IoGm+KggCge8kCIEF7MT+tArEN+m//d37RJESFIoiE3CczxDw==
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

2026-09-17T11:05:23.977050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048590
observed 815f61b780c0f4ebf52f2b4c2e569552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.958960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048590/manifest.json
observed 967f85987af1561f49c6ca7acdbb47a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.940341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048590/publication.md
observed 9d8f61ae667a4cef91f10b5f6f7f63db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.921575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048590/publication.txt
observed 077babc4056abb2559f23ea757d68730...
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.