Pith Number

pith:AYRQQSG5

pith:2012:AYRQQSG5BAHJSOXI3VOK7BSDVJ

not attested not anchored not stored refs pending

Nonexistence results for a class of fractional elliptic boundary value problems

Mouhamed Moustapha Fall, Tobias Weth

arxiv:1201.4007 v2 · 2012-01-19 · 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{AYRQQSG5BAHJSOXI3VOK7BSDVJ}

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	2026-05-18T03:45:53.106087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06230848dd080e993ae8dd5caf8643aa636758566059670d43efd20f0b357bcd

Aliases

arxiv: 1201.4007 · arxiv_version: 1201.4007v2 · doi: 10.48550/arxiv.1201.4007 · pith_short_12: AYRQQSG5BAHJ · pith_short_16: AYRQQSG5BAHJSOXI · pith_short_8: AYRQQSG5

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/AYRQQSG5BAHJSOXI3VOK7BSDVJ \
  | 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: 06230848dd080e993ae8dd5caf8643aa636758566059670d43efd20f0b357bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a7a5bf3229f2a15b9ecc069034972f3cdc770204f3521d9d2f931456ceddd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-19T10:31:50Z",
    "title_canon_sha256": "793eaaf0cde5becbb0b79f522619dfe4a5e801db9a0b353475316773d953470f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4007",
    "kind": "arxiv",
    "version": 2
  }
}