Pith Number

pith:LWEFNJSE

pith:2013:LWEFNJSE6S2HVWNCEXUOGQANGP

not attested not anchored not stored refs pending

The Dirichlet problem for p-harmonic functions on the topologist's comb

Anders Bj\"orn

arxiv:1304.1681 v1 · 2013-04-05 · 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{LWEFNJSE6S2HVWNCEXUOGQANGP}

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	2026-05-18T02:29:17.662141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d8856a644f4b47ad9a225e8e3400d33f722bf03992c19c07c71c1e1555ca844

Aliases

arxiv: 1304.1681 · arxiv_version: 1304.1681v1 · doi: 10.48550/arxiv.1304.1681 · pith_short_12: LWEFNJSE6S2H · pith_short_16: LWEFNJSE6S2HVWNC · pith_short_8: LWEFNJSE

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/LWEFNJSE6S2HVWNCEXUOGQANGP \
  | 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: 5d8856a644f4b47ad9a225e8e3400d33f722bf03992c19c07c71c1e1555ca844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674cdaebcbbc76c63b134db206ec24175e2b4cdfd80e6d16179fd181f1d7a447",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-05T11:23:20Z",
    "title_canon_sha256": "3ee425478b9b23cbbb4fd8e9a4176b96f7d0f9eccba5bc621113d2b3f448a6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1681",
    "kind": "arxiv",
    "version": 1
  }
}