Pith Number

pith:EFFCZEHZ

pith:2013:EFFCZEHZBKNL7A2LSQGXELJHQV

not attested not anchored not stored refs pending

Riemann problem for a particle-fluid coupling

Nina Aguillon (LM-Orsay)

arxiv:1312.2692 v2 · 2013-12-10 · 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{EFFCZEHZBKNL7A2LSQGXELJHQV}

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	2026-05-18T01:19:06.477134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214a2c90f90a9abf834b940d722d2785765c7bbe3df0442322ceb2ae9aab79cf

Aliases

arxiv: 1312.2692 · arxiv_version: 1312.2692v2 · doi: 10.48550/arxiv.1312.2692 · pith_short_12: EFFCZEHZBKNL · pith_short_16: EFFCZEHZBKNL7A2L · pith_short_8: EFFCZEHZ

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/EFFCZEHZBKNL7A2LSQGXELJHQV \
  | 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: 214a2c90f90a9abf834b940d722d2785765c7bbe3df0442322ceb2ae9aab79cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b51bcf909510715c5b129d66a900af17d1288f0139a012401e709778894bfb5",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-10T07:28:09Z",
    "title_canon_sha256": "ec9401c0a45049828e8f8ae33f019eb90846935abfe90cec7801ef7b61d06f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2692",
    "kind": "arxiv",
    "version": 2
  }
}