Pith Number

pith:NRFBT6RF

pith:2005:NRFBT6RFKGEIVCN2GAD2MBFI73

not attested not anchored not stored refs pending

Integrable flows and Backlund transformations on extended Stiefel varieties with application to the Euler top on the Lie group SO(3)

Yuri N. Fedorov

arxiv:nlin/0505045 v1 · 2005-05-18 · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRFBT6RFKGEIVCN2GAD2MBFI73}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:38:18.687626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4a19fa2551888a89ba3007a604a8fec0da6e2b9827a4fda0ce457f328ac5f6

Aliases

arxiv: nlin/0505045 · arxiv_version: nlin/0505045v1 · doi: 10.48550/arxiv.nlin/0505045 · pith_short_12: NRFBT6RFKGEI · pith_short_16: NRFBT6RFKGEIVCN2 · pith_short_8: NRFBT6RF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NRFBT6RFKGEIVCN2GAD2MBFI73 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c4a19fa2551888a89ba3007a604a8fec0da6e2b9827a4fda0ce457f328ac5f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa910f95bfccf379efcc4b27bb7aa40c3798124f089386df2260cdf1b6afe8b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2005-05-18T02:13:06Z",
    "title_canon_sha256": "ebe1b1032506a9fd577f1083df21b89b91616b61e879780837d5be5c11c515c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0505045",
    "kind": "arxiv",
    "version": 1
  }
}