OpenTechnical

OT-2026-000002583

Publication integrity record

Distribution system for an item of equipment for treatment of solid material and item of equipment for treatment of solid material

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-2026-000002583) never changes.

Identity and time

Publication numberOT-2026-000002583 · never reused
Internal UUID01a0a67d-8916-7f0d-9a96-3633940b17e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:00.086520Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002583
StatusPUBLIC

Content hashes

Canonical text2cc2fb032659e2314b3f391215b40fbf4eaa031f354844fb6228e23ec79fb098
Markdown92c6a54073ba2b2894bdd84e055aa86f4e32b747a0653ace68d20d3aa0146e88
PDF
Publication page4d9ffe56358b92adc416d1fb40c3af9ce632565f4ece92907837e6dd51f2cb47
Manifestc1e9c1c9a17cea385b65699762716a2af3c0dd364cb93f855486ace9bfe910b0

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
SignaturecqrI/5FihQ4Fnla6+jv+ahz9bphZkgpCFtz4XHyaanMR4y2D93ac0t3LHfVuk5x81FOMvD9ck2rLCS9BVx2+DQ==
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

2026-10-24T08:41:22.255459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583
observed 4d9ffe56358b92adc416d1fb40c3af9c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:22.182721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/manifest.json
observed c1e9c1c9a17cea385b65699762716a2a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:22.111579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/publication.md
observed 92c6a54073ba2b2894bdd84e055aa86f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:21.980228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/publication.txt
observed 2cc2fb032659e2314b3f391215b40fbf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:17.601071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583
observed 4d9ffe56358b92adc416d1fb40c3af9c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:17.347132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/manifest.json
observed c1e9c1c9a17cea385b65699762716a2a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:17.106116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/publication.md
observed 92c6a54073ba2b2894bdd84e055aa86f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:16.809011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002583/publication.txt
observed 2cc2fb032659e2314b3f391215b40fbf...
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