OpenTechnical

OT-2026-000002556

Publication integrity record

Method and system for determining a state of a roller-conveyer

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-2026-000002556) never changes.

Identity and time

Publication numberOT-2026-000002556 · never reused
Internal UUID01a0a67d-6154-7a53-a18a-d5ec16433ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:49.908997Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002556
StatusPUBLIC

Content hashes

Canonical text979fdbe4f4150c2db327a69522ffad9235bef40614dbc1f268796adeba673786
Markdowne096f70ba82c4b770db9a7b752c1e1b5417fac1ec17a641965007ee67b6a1ea9
PDF
Publication page7ba59b1918a8dd0df749ae77cb896137ccde91d627b82d9c92aeb3f0c8be4fd5
Manifest191d1b6afe53414ae3089e99810145560f75025479841b095f172a10b9236331

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
SignaturehY/E5VZqcMWuzDiFgqPz6NW4vasCRQ7gGfd+fvVCcBpsq2lEEUll2ecbJy2Dr0dGdydcgU3LboyoyiqMLkkPBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-09T04:23:03.879984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556
observed 7ba59b1918a8dd0df749ae77cb896137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:03.865577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/manifest.json
observed 191d1b6afe53414ae3089e9981014556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:03.850152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/publication.md
observed e096f70ba82c4b770db9a7b752c1e1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:03.792337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/publication.txt
observed 979fdbe4f4150c2db327a69522ffad92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-07T04:41:28.806844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556
observed 7ba59b1918a8dd0df749ae77cb896137...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:28.758882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/manifest.json
observed 191d1b6afe53414ae3089e9981014556...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:28.709616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/publication.md
observed e096f70ba82c4b770db9a7b752c1e1b5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T04:41:28.620785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002556/publication.txt
observed 979fdbe4f4150c2db327a69522ffad92...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent