Pith Number

pith:LDEX6YFL

pith:2015:LDEX6YFLN6MW6XZ5BIOSRZSNCV

not attested not anchored not stored refs pending

Infinite speed of propagation and regularity of solutions to the fractional porous medium equation in general domains

Alessio Figalli, Matteo Bonforte, Xavier Ros-Oton

arxiv:1510.03758 v3 · 2015-10-13 · 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{LDEX6YFLN6MW6XZ5BIOSRZSNCV}

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	2026-05-18T01:12:01.654340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c97f60ab6f996f5f3d0a1d28e64d155fa2a94b216c5f4cda903c2217094285

Aliases

arxiv: 1510.03758 · arxiv_version: 1510.03758v3 · doi: 10.48550/arxiv.1510.03758 · pith_short_12: LDEX6YFLN6MW · pith_short_16: LDEX6YFLN6MW6XZ5 · pith_short_8: LDEX6YFL

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/LDEX6YFLN6MW6XZ5BIOSRZSNCV \
  | 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: 58c97f60ab6f996f5f3d0a1d28e64d155fa2a94b216c5f4cda903c2217094285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074985045437c8219bde1d4f34e3a92cb7296c317eae239ec386fe67d8c36ba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-13T16:09:18Z",
    "title_canon_sha256": "a8cb96532c1a98c1a75fdd77c90e6156879c5d50b06b9080c0f38d9c1ff1d75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03758",
    "kind": "arxiv",
    "version": 3
  }
}