Pith Number

pith:RH5C4T6L

pith:2014:RH5C4T6LMMHU2QKGBSX7WJ7CTG

not attested not anchored not stored refs pending

Well-posedness of the extrusion model described by coupled hyperbolic systems with a free boundary

Mamadou Diagne, Peipei Shang, Zhiqiang Wang

arxiv:1404.3375 v2 · 2014-04-13 · 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{RH5C4T6LMMHU2QKGBSX7WJ7CTG}

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	2026-05-18T02:54:13.775810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89fa2e4fcb630f4d41460caffb27e2999e44c27c5168690e632596926d14ea27

Aliases

arxiv: 1404.3375 · arxiv_version: 1404.3375v2 · doi: 10.48550/arxiv.1404.3375 · pith_short_12: RH5C4T6LMMHU · pith_short_16: RH5C4T6LMMHU2QKG · pith_short_8: RH5C4T6L

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/RH5C4T6LMMHU2QKGBSX7WJ7CTG \
  | 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: 89fa2e4fcb630f4d41460caffb27e2999e44c27c5168690e632596926d14ea27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e437475af0fce8a0a3fcb5bb118549de00dfc0db18b1f23682a28030616cbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-04-13T12:32:48Z",
    "title_canon_sha256": "f355ab72bc0879606bb7ab6a597d33a870072dbfb445f1ff6709f2ad95fcbe72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3375",
    "kind": "arxiv",
    "version": 2
  }
}