Pith Number

pith:F2FUWCYK

pith:2011:F2FUWCYKOYS6CQXGEYRBX5OC5O

not attested not anchored not stored refs pending

High-order Wave Propagation Algorithms for Hyperbolic Systems

David I. Ketcheson, Matteo Parsani, Randall J. LeVeque

arxiv:1111.3499 v2 · 2011-11-15 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2FUWCYKOYS6CQXGEYRBX5OC5O}

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	2026-05-18T03:18:32.050102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e8b4b0b0a7625e142e626221bf5c2eb8bd42ca0ce3c31f33e1163b4d44aaf5d

Aliases

arxiv: 1111.3499 · arxiv_version: 1111.3499v2 · doi: 10.48550/arxiv.1111.3499 · pith_short_12: F2FUWCYKOYS6 · pith_short_16: F2FUWCYKOYS6CQXG · pith_short_8: F2FUWCYK

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/F2FUWCYKOYS6CQXGEYRBX5OC5O \
  | 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: 2e8b4b0b0a7625e142e626221bf5c2eb8bd42ca0ce3c31f33e1163b4d44aaf5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19052fa39f0beb08d7559fa705caaae64170a7ef2289583802633a0483d0bf61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-15T11:12:12Z",
    "title_canon_sha256": "6870b7ac3d8927f5a21c90ed4047a4179e581c542a0827f2e634f36e78e910c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3499",
    "kind": "arxiv",
    "version": 2
  }
}