Pith Number

pith:SAPVAXNO

pith:2011:SAPVAXNOJFJQHXFSB7ZO3L4AYV

not attested not anchored not stored refs pending

Singular solutions of a fully nonlinear 2x2 system of conservation laws

Darko Mitrovic, Henrik Kalisch

arxiv:1105.4640 v4 · 2011-05-23 · 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{SAPVAXNOJFJQHXFSB7ZO3L4AYV}

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	2026-05-18T03:59:25.541074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

901f505dae495303dcb20ff2edaf80c54d7b698f73ea2a662946d0abfed91c2e

Aliases

arxiv: 1105.4640 · arxiv_version: 1105.4640v4 · doi: 10.48550/arxiv.1105.4640 · pith_short_12: SAPVAXNOJFJQ · pith_short_16: SAPVAXNOJFJQHXFS · pith_short_8: SAPVAXNO

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/SAPVAXNOJFJQHXFSB7ZO3L4AYV \
  | 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: 901f505dae495303dcb20ff2edaf80c54d7b698f73ea2a662946d0abfed91c2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a2cae087458b059861f8e8e853a5f2bf879912d3f2ed4b7c9aeecf8b875656d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-23T21:21:40Z",
    "title_canon_sha256": "cd43c2dfe254c8a39e59570dd507b5acf73d8a95048b847d7e1971b96486f71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4640",
    "kind": "arxiv",
    "version": 4
  }
}