Pith Number

pith:7S4UOT3Z

pith:2015:7S4UOT3ZYWS2GQUW3UQGYTWSII

not attested not anchored not stored refs pending

Structure-preserving shock-capturing methods: late-time asymptotics, curved geometry, small-scale dissipation, and nonconservative products

Philippe G. LeFloch

arxiv:1512.08181 v1 · 2015-12-27 · math.AP · 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{7S4UOT3ZYWS2GQUW3UQGYTWSII}

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	2026-05-18T01:23:42.988267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb9474f79c5a5a34296dd206c4ed2422519730bce13c977185bb19c254fd9ca

Aliases

arxiv: 1512.08181 · arxiv_version: 1512.08181v1 · doi: 10.48550/arxiv.1512.08181 · pith_short_12: 7S4UOT3ZYWS2 · pith_short_16: 7S4UOT3ZYWS2GQUW · pith_short_8: 7S4UOT3Z

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/7S4UOT3ZYWS2GQUW3UQGYTWSII \
  | 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: fcb9474f79c5a5a34296dd206c4ed2422519730bce13c977185bb19c254fd9ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce06f96df4f9aa1d0de4f96b8fa391fa674d7ae030a6786ce79ae4784ca90f05",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-12-27T07:59:19Z",
    "title_canon_sha256": "481df8cd7ad4e1618483d5970a44ce80fe29bbd192e6ab446988e7d6ced619d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08181",
    "kind": "arxiv",
    "version": 1
  }
}