OpenTechnical

OT-2026-000001280

Publication integrity record

Three-degree-of-freedom parallel mechanism, parallel robot and machine tool

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-2026-000001280) never changes.

Identity and time

Publication numberOT-2026-000001280 · never reused
Internal UUID01a0a674-f720-7899-add8-29c6ffe48f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:38.433482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001280
StatusPUBLIC

Content hashes

Canonical text297a02be1e166bbddd53711b142963c1ed4ed8047a1f9f308b09c6285cadc0a5
Markdown2f15aa1f81f008dfc9d979e4e874a5741647124f56a2c39a91904112192b7929
PDF
Publication page3a1e7867b32f17cd5c737d0e0fc106bdd901b2549907f5d93712c43a3393487c
Manifest71393efdb80b5d5aab9cd43a56db532fdaeb05cb4b7ce4074088bec1a341690e

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
SignatureLRkYCan/f6CCO2SBlcHeqPm3ntafh+iMF6/e66Sb+JbzL0eMLxt+sfNNVG2+yI0AxDvJZS/b4gGPNLM3sny+BA==
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

2026-09-15T20:10:35.571910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001280
observed 3a1e7867b32f17cd5c737d0e0fc106bd...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:35.537697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001280/manifest.json
observed 71393efdb80b5d5aab9cd43a56db532f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:35.525630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001280/publication.txt
observed 297a02be1e166bbddd53711b142963c1...
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