OpenTechnical

OT-2026-000046494

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000046494) never changes.

Identity and time

Publication numberOT-2026-000046494 · never reused
Internal UUID01a0ae7e-57dd-7b58-973d-cc88a4169cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046494
StatusPUBLIC

Content hashes

Canonical text347ecad67d69bb2fedfe39925b412295f07e42b02f5098a78a4ee014164cdd06
Markdown0e48467905d643668d6369c8cef0690cdb84a9b99c7c44981a302fa221e6f52b
PDF
Publication page7ac1a6147cbea0854773d15469b2ce9cc4d378fb90acae24251e6c046dbb53a5
Manifest4d801e7437a845235b4f23ec1d37920a385d8b1a8db0d69bbd08277d17724826

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
SignatureopkOJepmmZJFp7YWS7Qsc0pzLfv/OHdsfJRLvForVXyO2gTO7p0QA40wBSH8A+mM3MEYwivJLXzEYFsDqsMFAA==
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

2026-09-17T11:08:31.958761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046494
observed 7ac1a6147cbea0854773d15469b2ce9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.939306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046494/manifest.json
observed 4d801e7437a845235b4f23ec1d37920a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.919981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046494/publication.md
observed 0e48467905d643668d6369c8cef0690c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.902577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046494/publication.txt
observed 347ecad67d69bb2fedfe39925b412295...
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.