Pith Number

pith:FRD4G4WD

pith:2019:FRD4G4WDNTG5I2XIGFYE4TYASN

not attested not anchored not stored refs pending

Duality for systems of conservation laws

Sergey I. Agafonov

arxiv:1908.00585 v2 · 2019-08-01 · math.DG · 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{FRD4G4WDNTG5I2XIGFYE4TYASN}

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	2026-07-05T00:28:23.574156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c47c372c36ccdd46ae831704e4f00937d667f955ff6a8f6826a66e7f88002db

Aliases

arxiv: 1908.00585 · arxiv_version: 1908.00585v2 · doi: 10.48550/arxiv.1908.00585 · pith_short_12: FRD4G4WDNTG5 · pith_short_16: FRD4G4WDNTG5I2XI · pith_short_8: FRD4G4WD

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/FRD4G4WDNTG5I2XIGFYE4TYASN \
  | 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: 2c47c372c36ccdd46ae831704e4f00937d667f955ff6a8f6826a66e7f88002db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388ff2921196e071571048682dd30b7a5475ae2123730e02db4f52a1491c9303",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-01T19:23:43Z",
    "title_canon_sha256": "2002315c4236cd88aed2a08bca51d73bb7cdbe4c81f4b7dec6a8b19350178021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00585",
    "kind": "arxiv",
    "version": 2
  }
}