Pith Number

pith:M6UYKDOP

pith:2011:M6UYKDOPSFUBBHOW4W73OT2WRE

not attested not anchored not stored refs pending

Classical Lie symmetries and reductions of a nonisospectral Lax pair

J. de Lucas, M. L. Gandarias, P. G. Estevez

arxiv:1102.4687 v2 · 2011-02-23 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6UYKDOPSFUBBHOW4W73OT2WRE}

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	2026-05-18T04:12:19.278120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67a9850dcf9168109dd6e5bfb74f568917abfc3b2cec25040ffecd13ab98cabd

Aliases

arxiv: 1102.4687 · arxiv_version: 1102.4687v2 · doi: 10.48550/arxiv.1102.4687 · pith_short_12: M6UYKDOPSFUB · pith_short_16: M6UYKDOPSFUBBHOW · pith_short_8: M6UYKDOP

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/M6UYKDOPSFUBBHOW4W73OT2WRE \
  | 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: 67a9850dcf9168109dd6e5bfb74f568917abfc3b2cec25040ffecd13ab98cabd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5117c8a1dd51914bbe19100c07fdd40791cba298364113811e0572a0d92812c",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-02-23T08:39:42Z",
    "title_canon_sha256": "b5a996e3253c5a0855dcf5850840d67d682cbac708e5a3226e691c0c22b4ab72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4687",
    "kind": "arxiv",
    "version": 2
  }
}