Pith Number

pith:7RS7NPBE

pith:2015:7RS7NPBE46ZGG5QZINY6BDXXWP

not attested not anchored not stored refs pending

Asymptotic large time behavior of singular solutions of the fast diffusion equation

Kin Ming Hui, Soojung Kim

arxiv:1508.01980 v1 · 2015-08-09 · 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{7RS7NPBE46ZGG5QZINY6BDXXWP}

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	2026-05-18T01:35:37.405045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc65f6bc24e7b26376194371e08ef7b3f2a069d9bd01797e5b3794cb4d59c9d7

Aliases

arxiv: 1508.01980 · arxiv_version: 1508.01980v1 · doi: 10.48550/arxiv.1508.01980 · pith_short_12: 7RS7NPBE46ZG · pith_short_16: 7RS7NPBE46ZGG5QZ · pith_short_8: 7RS7NPBE

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/7RS7NPBE46ZGG5QZINY6BDXXWP \
  | 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: fc65f6bc24e7b26376194371e08ef7b3f2a069d9bd01797e5b3794cb4d59c9d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f3fc0e636b05b925dd1b49c0d40345f33797fbbdf755948f1eb3f890a6194c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-09T03:09:21Z",
    "title_canon_sha256": "58e2d195cc6fdf5bbc9d723551b81ba60ee31e9318f6e6252a5d49a8b08b7703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01980",
    "kind": "arxiv",
    "version": 1
  }
}