Pith Number

pith:U6HHVZ2N

pith:2012:U6HHVZ2NZKYFKUH7ZGJ3BMQGRS

not attested not anchored not stored refs pending

Solutions with multiple alternate sign peaks along a boundary geodesic to a semilinear Dirichlet problem

Angela Pistoia, Teresa D'Aprile

arxiv:1210.8019 v1 · 2012-10-30 · 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{U6HHVZ2NZKYFKUH7ZGJ3BMQGRS}

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	2026-05-18T03:41:57.343988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78e7ae74dcab05550ffc993b0b2068cbb14ed82508146c776ad6f11a312d8b1

Aliases

arxiv: 1210.8019 · arxiv_version: 1210.8019v1 · doi: 10.48550/arxiv.1210.8019 · pith_short_12: U6HHVZ2NZKYF · pith_short_16: U6HHVZ2NZKYFKUH7 · pith_short_8: U6HHVZ2N

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/U6HHVZ2NZKYFKUH7ZGJ3BMQGRS \
  | 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: a78e7ae74dcab05550ffc993b0b2068cbb14ed82508146c776ad6f11a312d8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be6bd62da8342012e8f90978f87027b3f45958532ea1660fb0c3197155451ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-30T14:20:18Z",
    "title_canon_sha256": "aed66da9ec7eba5291209cbe1dbb7dc2f5a442394011bce51727c38c0ce570de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8019",
    "kind": "arxiv",
    "version": 1
  }
}