OpenTechnical

OT-2026-000000674

Publication integrity record

Apparatus and method for step-wise spindle diagnosis for machining center with different tools loaded

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-2026-000000674) never changes.

Identity and time

Publication numberOT-2026-000000674 · never reused
Internal UUID01a0a673-ae89-7c9b-9bda-718e0432ac7e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:14.314261Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000674
StatusPUBLIC

Content hashes

Canonical text33c4654aeb9a29fe877746f7ab68d372a584b6b38471080a98500d9d415f8c3a
Markdown6d2e179bfac69c9eb329df79ae2fe321b68657d5ab4c9c8bdf002139624ecf5f
PDF
Publication page312fc35a0a5d358cc69b43b3898e498caa72e56fda3669f4b587749bc9869579
Manifest04b4f63b24b5d6dd3289a9ca156fa7a2110be2616941ec3784bd1b372f141445

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
Signaturet0yBkY+9Hmh9QL+9RoSekbudtOGExvnnSewhKcNx0CQnM3cZgNLDP1+UiwG55mtlX26Lw1xXlzB+9Fnib1/oBQ==
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

2026-10-15T00:41:38.690604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674
observed 312fc35a0a5d358cc69b43b3898e498c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T00:41:38.608389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674/manifest.json
observed 04b4f63b24b5d6dd3289a9ca156fa7a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T00:41:38.534167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674/publication.md
observed 6d2e179bfac69c9eb329df79ae2fe321...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T00:41:38.352810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674/publication.txt
observed 33c4654aeb9a29fe877746f7ab68d372...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.514734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674
observed 312fc35a0a5d358cc69b43b3898e498c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.475705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674/manifest.json
observed 04b4f63b24b5d6dd3289a9ca156fa7a2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:17.462219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000674/publication.txt
observed 33c4654aeb9a29fe877746f7ab68d372...
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