OpenTechnical Open technical disclosures for industrial technology

OT-2026-000000044

Publication integrity record

Slewing Ring Bolt Preload Monitoring System Using Load-Sensing Washers

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-2026-000000044) never changes.

Identity and time

Publication numberOT-2026-000000044 · never reused
Internal UUID01a0a4e2-f908-73d4-87d5-8f29b904e439 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T11:45:33.452725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000044
StatusPUBLIC

Content hashes

Canonical text3e0ca4b19733a636f6a5afa859514258f0c0328ec622a0b8b54e9265cd540a18
Markdowne75fe42487ee625adbdcd185c35f686bb53cf7518e2e6ffa006efbcb4aca37b5
PDF147ccf3b24e4f67dfca4b1e4db53cbeae2d485cbc1bbf8ac31b5463c81af73b8
Publication page5afb15481cf8ba7f196a9978d965f639110527807cf4b803e55ef078c0ad938c
Manifest62b94b0cdae41a371a2cb7ed1e41338b93e98be1b5630c52b45577d787168b84

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-2026-02 · Verified
Signature6wGFRk4VjiQUeJckkG4yYlqO6yI6RRLaCanI3T6ZPk3t8gDPx+fL+pZFBCApE06sS1BEtg0DALDsc2fRsabgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T11:47:01Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 9563dce58556d06689dcee7fb61d5c87...

Independent retrieval

2026-09-15T12:41:33.739795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044
observed 5afb15481cf8ba7f196a9978d965f639...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:33.597398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/publication.pdf
observed 147ccf3b24e4f67dfca4b1e4db53cbea...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:33.449454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/manifest.json
observed 62b94b0cdae41a371a2cb7ed1e41338b...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:33.277614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/publication.txt
observed 3e0ca4b19733a636f6a5afa859514258...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:50:03.059469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044
observed 5afb15481cf8ba7f196a9978d965f639...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:50:03.044976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/publication.pdf
observed 147ccf3b24e4f67dfca4b1e4db53cbea...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:50:03.030935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/manifest.json
observed 62b94b0cdae41a371a2cb7ed1e41338b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:50:02.998380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000044/publication.txt
observed 3e0ca4b19733a636f6a5afa859514258...
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
f5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent