Pith Number

pith:4ZDVQZSX

pith:2014:4ZDVQZSXM3FWCZC5NDHFKUM42Q

not attested not anchored not stored refs pending

Structure of entropy solutions to general scalar conservation laws in one space dimension

Lei Yu, Stefano Bianchini

arxiv:1409.0521 v1 · 2014-09-01 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZDVQZSXM3FWCZC5NDHFKUM42Q}

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	2026-05-18T02:43:52.611869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64758665766cb61645d68ce55519cd40acc1f56071c7ca32f8e9c798ed4f545

Aliases

arxiv: 1409.0521 · arxiv_version: 1409.0521v1 · doi: 10.48550/arxiv.1409.0521 · pith_short_12: 4ZDVQZSXM3FW · pith_short_16: 4ZDVQZSXM3FWCZC5 · pith_short_8: 4ZDVQZSX

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/4ZDVQZSXM3FWCZC5NDHFKUM42Q \
  | 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: e64758665766cb61645d68ce55519cd40acc1f56071c7ca32f8e9c798ed4f545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe7d0b0d7a61ae03e2c0e9d31198c169c40a9baae5fa11264836f86b177840e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-01T19:44:11Z",
    "title_canon_sha256": "52dd9fd27c0c20bbd95943ce516f6f20548bbc90ac68c76a8126a3d25133e6b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0521",
    "kind": "arxiv",
    "version": 1
  }
}