Pith Number

pith:QQNFF7TB

pith:2011:QQNFF7TBDNCUWZ2NLT5RRLYKFX

not attested not anchored not stored refs pending

Higher order elliptic and parabolic systems with variably partially BMO coefficients in regular and irregular domains

Doyoon Kim, Hongjie Dong

arxiv:1102.1489 v1 · 2011-02-08 · 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{QQNFF7TBDNCUWZ2NLT5RRLYKFX}

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	2026-05-18T04:03:29.723608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841a52fe611b454b674d5cfb18af0a2de175bcc92c7276004fe1524c4b0bf52c

Aliases

arxiv: 1102.1489 · arxiv_version: 1102.1489v1 · doi: 10.48550/arxiv.1102.1489 · pith_short_12: QQNFF7TBDNCU · pith_short_16: QQNFF7TBDNCUWZ2N · pith_short_8: QQNFF7TB

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/QQNFF7TBDNCUWZ2NLT5RRLYKFX \
  | 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: 841a52fe611b454b674d5cfb18af0a2de175bcc92c7276004fe1524c4b0bf52c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74ead3a5c1bf90fed0b37325f146c34e70395d6f79a343696afbc4bf32076657",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-02-08T02:04:18Z",
    "title_canon_sha256": "b7127be4b11ad8772cf96136a329df7a14eab3730f0358aa53a3eac085ed2941"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1489",
    "kind": "arxiv",
    "version": 1
  }
}