OpenTechnical

OT-2026-000000455

Publication integrity record

Distortion-free manufacturing of large titanium integrally bladed rotors

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-2026-000000455) never changes.

Identity and time

Publication numberOT-2026-000000455 · never reused
Internal UUID01a0a673-606f-7d44-b0a1-da0c132bccc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:54.319775Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000455
StatusPUBLIC

Content hashes

Canonical textd5b33e6fcbd348fb1b7d02fe2a59eaed618fbe9b9044818705c6c0d290972764
Markdown5cbacf5c6e2a2b191dd32581e24f7895ce952d3f619cdc04b7be8edd90248bc1
PDF
Publication page17f3cbd5b5c1f5ef4465a9fabd225ab6635063734aa1950a263420269fbdd954
Manifestab020600b62c63065316b836217dee1fd3478b8e9cce32e962a3dbad73d8d926

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
Signature1gQjnaft9O83w1nGjOwdSm94O7zkpCaGIvfEsp75e0rWCGicxrm53KOUcaqmbgq7Bs9UR44QNJk4i9uy+ttzBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-17T08:41:13.220743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455
observed 17f3cbd5b5c1f5ef4465a9fabd225ab6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T08:41:13.126783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/manifest.json
observed ab020600b62c63065316b836217dee1f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T08:41:13.079511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/publication.md
observed 5cbacf5c6e2a2b191dd32581e24f7895...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T08:41:12.980725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/publication.txt
observed d5b33e6fcbd348fb1b7d02fe2a59eaed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:23:07.339106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455
observed 17f3cbd5b5c1f5ef4465a9fabd225ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:07.326940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/manifest.json
observed ab020600b62c63065316b836217dee1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:07.311728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/publication.md
observed 5cbacf5c6e2a2b191dd32581e24f7895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:07.252101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000455/publication.txt
observed d5b33e6fcbd348fb1b7d02fe2a59eaed...
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

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