Pith Number

pith:WY3ILDIM

pith:2013:WY3ILDIMLIIC7A6FKAEIBCASVG

not attested not anchored not stored refs pending

Boundary regularity for degenerate and singular parabolic equations

Anders Bj\"orn, Jana Bj\"orn, Mikko Parviainen, Ugo Gianazza

arxiv:1310.6845 v1 · 2013-10-25 · 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{WY3ILDIMLIIC7A6FKAEIBCASVG}

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	2026-05-18T01:16:19.237354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b636858d0c5a102f83c55008808812a9a1ef71847389e338e7db8997fda0e751

Aliases

arxiv: 1310.6845 · arxiv_version: 1310.6845v1 · doi: 10.48550/arxiv.1310.6845 · pith_short_12: WY3ILDIMLIIC · pith_short_16: WY3ILDIMLIIC7A6F · pith_short_8: WY3ILDIM

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/WY3ILDIMLIIC7A6FKAEIBCASVG \
  | 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: b636858d0c5a102f83c55008808812a9a1ef71847389e338e7db8997fda0e751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb12efe8f1d933549b36dc010b8bfd77f40abe491d5d6c0a95ad888b97b09a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-25T08:13:44Z",
    "title_canon_sha256": "7d202a3f41cedc17d0b37661af708d3f9adabd6cf1d845f46c2075d230082f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6845",
    "kind": "arxiv",
    "version": 1
  }
}