OpenTechnical

OT-2026-000056029

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056029) never changes.

Identity and time

Publication numberOT-2026-000056029 · never reused
Internal UUID01a0ae87-0a4a-7a1e-b50b-69272a75603a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056029
StatusPUBLIC

Content hashes

Canonical text82c31ecfe691ebbce059d93207321a64b72c6817e47dd421f0c7009e347b54e9
Markdown138af0310a74b4e1f538c2f6ef58c0071393d98da2c699196b7ccfc309dbbc9b
PDF
Publication page21401b5a88347fb46da152919c01a4fe93a089990e63903f0e9fb8e8053594cd
Manifest22c8c6484ff926f55d48588fd1c11dada6b689dca2320321030878ee891f62c8

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
SignatureLovqnDctvD/E8pHTkF+3vpsG97fp+YNFMzMPgAJJ2kr5y7eIf2NnL2xCpdgp0Rupf6f1ms0AQVNvIXVyBqK2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:33.457337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056029
observed 21401b5a88347fb46da152919c01a4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.439890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056029/manifest.json
observed 22c8c6484ff926f55d48588fd1c11dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.422747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056029/publication.md
observed 138af0310a74b4e1f538c2f6ef58c007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.406707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056029/publication.txt
observed 82c31ecfe691ebbce059d93207321a64...
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.