Pith Number

pith:UO7KPCCJ

pith:2011:UO7KPCCJMD5TTQ2NNZJSVYVQVL

not attested not anchored not stored refs pending

Extensions for Systems of Conservation Laws

Helge Kristian Jenssen, Irina A. Kogan

arxiv:1103.5250 v2 · 2011-03-27 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO7KPCCJMD5TTQ2NNZJSVYVQVL}

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	2026-05-18T04:23:56.000628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3bea7884960fb39c34d6e532ae2b0aaf4447349f5462f499f0ccb3525a03cfb

Aliases

arxiv: 1103.5250 · arxiv_version: 1103.5250v2 · doi: 10.48550/arxiv.1103.5250 · pith_short_12: UO7KPCCJMD5T · pith_short_16: UO7KPCCJMD5TTQ2N · pith_short_8: UO7KPCCJ

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/UO7KPCCJMD5TTQ2NNZJSVYVQVL \
  | 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: a3bea7884960fb39c34d6e532ae2b0aaf4447349f5462f499f0ccb3525a03cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2fa41e18d26e1fd4eb90113be4726206583da87fe4acb6cc6f66ae20522a7f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-03-27T21:24:18Z",
    "title_canon_sha256": "fe618ba730f041d7c3b4743dae582ac9f2c4e0079e536e2d56002a95c713d1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5250",
    "kind": "arxiv",
    "version": 2
  }
}