Pith Number

pith:DY5I3D6U

pith:2014:DY5I3D6UBAIIXH7KSV7EOXJEQW

not attested not anchored not stored refs pending

Lie symmetries for Lie systems: applications to systems of ODEs and PDEs

C. Sard\'on, F.J. Herranz, J. de Lucas, P.G. Est\'evez

arxiv:1404.2740 v1 · 2014-04-10 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY5I3D6UBAIIXH7KSV7EOXJEQW}

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	2026-05-18T01:23:50.950668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3a8d8fd408108b9fea957e475d2485a9d284f2101c9d180387082d607fca55

Aliases

arxiv: 1404.2740 · arxiv_version: 1404.2740v1 · doi: 10.48550/arxiv.1404.2740 · pith_short_12: DY5I3D6UBAII · pith_short_16: DY5I3D6UBAIIXH7K · pith_short_8: DY5I3D6U

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/DY5I3D6UBAIIXH7KSV7EOXJEQW \
  | 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: 1e3a8d8fd408108b9fea957e475d2485a9d284f2101c9d180387082d607fca55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbada3e53cedca5f15da5bb5130de02c9e103408d25376757503f105f9819938",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-04-10T08:57:00Z",
    "title_canon_sha256": "98a155617ef6ad0961f22161627711edb61ea3f2965ff1f87a5512e2d88a4191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2740",
    "kind": "arxiv",
    "version": 1
  }
}