Pith Number

pith:D7QMK7P7

pith:2008:D7QMK7P7SQRX3SXKOTPU2C62KZ

not attested not anchored not stored refs pending

Description of the inelastic collision of two solitary waves for the BBM equation

F. Merle, T. Mizumachi, Y. Martel

arxiv:0803.4020 v2 · 2008-03-27 · 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{D7QMK7P7SQRX3SXKOTPU2C62KZ}

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	2026-05-18T02:15:59.762791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe0c57dff94237dcaea74df4d0bda565a71f8161251b0dbf55a03bfbb85598a

Aliases

arxiv: 0803.4020 · arxiv_version: 0803.4020v2 · doi: 10.48550/arxiv.0803.4020 · pith_short_12: D7QMK7P7SQRX · pith_short_16: D7QMK7P7SQRX3SXK · pith_short_8: D7QMK7P7

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/D7QMK7P7SQRX3SXKOTPU2C62KZ \
  | 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: 1fe0c57dff94237dcaea74df4d0bda565a71f8161251b0dbf55a03bfbb85598a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "735cb583909e08b1be6d28f1a1c1f2d71365d3aff7e914d30f8220bcc5978758",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-03-27T21:58:44Z",
    "title_canon_sha256": "7489471e2e84d1d951192e83aa2ada4d6f315deeb61601fcc7763a1020d8a02d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4020",
    "kind": "arxiv",
    "version": 2
  }
}