OpenTechnical

OT-2026-000000152

Publication integrity record

Thrust ring frictional damper

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-2026-000000152) never changes.

Identity and time

Publication numberOT-2026-000000152 · never reused
Internal UUID01a0a673-0ca5-78e4-bdac-7fbc975e8970 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:32.869900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000152
StatusPUBLIC

Content hashes

Canonical text3dd4eb0c816447fd38322055c2354571ffbf93902b5c18f5a0aebb579681048c
Markdown9de9b7a4836f843dd4fd89a1dd07410553f5e3802d81fcc11a99730975151097
PDF
Publication page41f1629214704dbffd7d7ad76e82fc09a3456fbc7605de93e03b178a42ee54fc
Manifest267016bf462da177747a0d8df6279b30c0bdc50b7a92c9b9534ae3ff4900d349

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
SignatureMAemkPFzaiRjGfgEiEKWIPZ2mgt8E4QDzCT3niE838p5SpB+cmbXKk2uutfPMFJAnlNFAn4IuKTJqIc/NxkkAQ==
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

2026-09-15T21:00:06.407365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000152
observed 41f1629214704dbffd7d7ad76e82fc09...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:06.367393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000152/manifest.json
observed 267016bf462da177747a0d8df6279b30...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:06.355452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000152/publication.txt
observed 3dd4eb0c816447fd38322055c2354571...
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