OpenTechnical

OT-2026-000002284

Publication integrity record

Separation tool and method for nozzle segments of gas turbines

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-2026-000002284) never changes.

Identity and time

Publication numberOT-2026-000002284 · never reused
Internal UUID01a0a67b-aed2-7d67-9aca-164b18e6811f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:58.675056Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002284
StatusPUBLIC

Content hashes

Canonical textb204ec09c02a2111d80f1d42ee85dff6ea9d0c7313971e73ca61e96895e6e565
Markdown72365660d59a3f1cdf43ae571b72a4a1e4e975dab8407a9990aa5236356b3df9
PDF
Publication page7a1e737025bfcd067347fcd41634bbf8d0d06da31f74be95fc7fe36bceff1744
Manifest36054448dffcec439eae1b3a688162c30b9836f844b72a2f8e2ea1c77a16598f

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
SignatureURLb6JMy6Za+m06KF3PQJ0HoTOjzQkGdoZs+JWBMbJBF8GjkCLL+Lhz69scpwIG7RiNQfQ/QVJ/HCNLHU6qgBw==
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

2026-10-19T00:41:55.929212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284
observed 7a1e737025bfcd067347fcd41634bbf8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T00:41:55.881444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284/manifest.json
observed 36054448dffcec439eae1b3a688162c3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T00:41:55.833381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284/publication.md
observed 72365660d59a3f1cdf43ae571b72a4a1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T00:41:55.703424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284/publication.txt
observed b204ec09c02a2111d80f1d42ee85dff6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:32.430642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284
observed 7a1e737025bfcd067347fcd41634bbf8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:32.278390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284/manifest.json
observed 36054448dffcec439eae1b3a688162c3...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:32.266005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002284/publication.txt
observed b204ec09c02a2111d80f1d42ee85dff6...
fetched by instance-3.rotem.ai from 127.0.0.1, 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