Pith Number

pith:ERIGHHHI

pith:2011:ERIGHHHIQHUECPY23DL7WLX4GO

not attested not anchored not stored refs pending

Regularity in a one-phase free boundary problem for the fractional Laplacian

Daniela De Silva, Jean-Michel Roquejoffre

arxiv:1102.3086 v2 · 2011-02-15 · 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{ERIGHHHIQHUECPY23DL7WLX4GO}

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	2026-05-18T01:22:44.224989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2450639ce881e8413f1ad8d7fb2efc33b2cf24ec7b1c940c42852824a9da6e6a

Aliases

arxiv: 1102.3086 · arxiv_version: 1102.3086v2 · doi: 10.48550/arxiv.1102.3086 · pith_short_12: ERIGHHHIQHUE · pith_short_16: ERIGHHHIQHUECPY2 · pith_short_8: ERIGHHHI

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/ERIGHHHIQHUECPY23DL7WLX4GO \
  | 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: 2450639ce881e8413f1ad8d7fb2efc33b2cf24ec7b1c940c42852824a9da6e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae22e014b739d7ada5e88486d7f77c3308b91f4291b36a154e2076821ab9362a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-02-15T14:41:10Z",
    "title_canon_sha256": "cb4a9d7b373ae55eaea1c1b549f61fb5522e6aa0e8f589945158a0af42aa74af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3086",
    "kind": "arxiv",
    "version": 2
  }
}