Pith Number

pith:BHNSAFEV

pith:2014:BHNSAFEVCINEN46DTN3LDWCEHG

not attested not anchored not stored refs pending

Finite speed of propagation for a non-local porous medium equation

Cyril Imbert (LAMA)

arxiv:1411.4752 v2 · 2014-11-18 · 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{BHNSAFEVCINEN46DTN3LDWCEHG}

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	2026-05-18T01:49:55.893673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09db201495121a46f3c39b76b1d84439afdcf443e12d37166f91a67722156628

Aliases

arxiv: 1411.4752 · arxiv_version: 1411.4752v2 · doi: 10.48550/arxiv.1411.4752 · pith_short_12: BHNSAFEVCINE · pith_short_16: BHNSAFEVCINEN46D · pith_short_8: BHNSAFEV

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/BHNSAFEVCINEN46DTN3LDWCEHG \
  | 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: 09db201495121a46f3c39b76b1d84439afdcf443e12d37166f91a67722156628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d87219aa667e55fb4124c8f1319698cd325d16a7cef3a5eae7362b86d6b6157",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-18T07:24:57Z",
    "title_canon_sha256": "0c7c73379202a04915a97857b58c0206c741b3b0d25dc6095c0566c55283cf6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4752",
    "kind": "arxiv",
    "version": 2
  }
}