Pith Number

pith:LOMQIGSG

pith:2013:LOMQIGSGO5MFKZVAN6R3RG44XL

not attested not anchored not stored refs pending

Blowup solutions of elliptic systems in two dimensional spaces

Lei Zhang

arxiv:1311.0694 v1 · 2013-11-04 · 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{LOMQIGSGO5MFKZVAN6R3RG44XL}

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	2026-05-18T03:08:05.116066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b99041a4677585566a06fa3b89b9cbae5ac11cb7e0962bb1f726c90b4853794

Aliases

arxiv: 1311.0694 · arxiv_version: 1311.0694v1 · doi: 10.48550/arxiv.1311.0694 · pith_short_12: LOMQIGSGO5MF · pith_short_16: LOMQIGSGO5MFKZVA · pith_short_8: LOMQIGSG

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/LOMQIGSGO5MFKZVAN6R3RG44XL \
  | 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: 5b99041a4677585566a06fa3b89b9cbae5ac11cb7e0962bb1f726c90b4853794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75aed3fadfb5cfb49d3b7ae8101b67921d36667aa73e9f7d70da1f9cc4904183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-04T13:26:48Z",
    "title_canon_sha256": "8d91ddd98d5c20d8a7fd81f6a827f8a308f780fbda3b303d880a5ec9fb6d6f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0694",
    "kind": "arxiv",
    "version": 1
  }
}