Pith Number

pith:ALC2N47J

pith:2018:ALC2N47JTABWAP3POC436TLGEX

not attested not anchored not stored refs pending

Discontinuous traveling waves as weak solutions to the Fornberg-Whitham equation

Guenther Hoermann

arxiv:1802.00215 v3 · 2018-02-01 · 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{ALC2N47JTABWAP3POC436TLGEX}

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	2026-05-18T00:17:59.644925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02c5a6f3e99803603f6f70b9bf4d6625d9981508a6ccd1b79b7525b94a7f1a5d

Aliases

arxiv: 1802.00215 · arxiv_version: 1802.00215v3 · doi: 10.48550/arxiv.1802.00215 · pith_short_12: ALC2N47JTABW · pith_short_16: ALC2N47JTABWAP3P · pith_short_8: ALC2N47J

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/ALC2N47JTABWAP3POC436TLGEX \
  | 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: 02c5a6f3e99803603f6f70b9bf4d6625d9981508a6ccd1b79b7525b94a7f1a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d9754cc068ce309f86b692a49daea8d036cece52642e0b06e487801900bb39c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-01T09:43:50Z",
    "title_canon_sha256": "7270cf98e180eeb5369322650cef1950672d31590db22693af14a60af59ddd44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00215",
    "kind": "arxiv",
    "version": 3
  }
}