OpenTechnical

OT-2026-000048206

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000048206) never changes.

Identity and time

Publication numberOT-2026-000048206 · never reused
Internal UUID01a0ae80-4de2-7ea6-9ea3-8e34f1553417 · 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-2026-000048206
StatusPUBLIC

Content hashes

Canonical texta1fce37ba54e0461b5f298e00fddb598b31dcc14c983b2dd6386b40cac90dfd7
Markdownf58577e7dabd27acf69592f44782589162f8f8e4b498e5573ff0d49d58333285
PDF
Publication page5862340949bca17febaa46e50bc1cb519f440f594502d12b6f99b9865ddea527
Manifest7f0ee949737b13dc440108866558fb57eb016e174aecebc3008513f1ccdadb1c

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
Signature+GKXZ48wMwz3MgS6HWVwF2FRa7Q8JUwb/irh4J3XntYo6Hefe0QRVW2M2LZ3Aj4Q8RzUrXYEwF6dLxOobMNpCQ==
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

2026-09-17T11:04:45.188560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048206
observed 5862340949bca17febaa46e50bc1cb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.170139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048206/manifest.json
observed 7f0ee949737b13dc440108866558fb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.148203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048206/publication.md
observed f58577e7dabd27acf69592f447825891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.128197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048206/publication.txt
observed a1fce37ba54e0461b5f298e00fddb598...
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.