Pith. sign in
Pith Number

pith:JGS4IECA

pith:2021:JGS4IECA3CZKTM2OCOISKKJMQI
not attested not anchored not stored refs pending

Automatic Description Construction for Math Expression via Topic Relation Graph

Ke Yuan, Liangcai Gao, Yibo Li, Zhi Tang, Zuoyu Yan

arxiv:2104.11890 v1 · 2021-04-24 · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JGS4IECA3CZKTM2OCOISKKJMQI}

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 2026-07-05T02:34:51.450311Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

49a5c41040d8b2a9b34e139125292c822e55c29ec74a3e28e51cf7e11227b74c

Aliases

arxiv: 2104.11890 · arxiv_version: 2104.11890v1 · doi: 10.48550/arxiv.2104.11890 · pith_short_12: JGS4IECA3CZK · pith_short_16: JGS4IECA3CZKTM2O · pith_short_8: JGS4IECA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JGS4IECA3CZKTM2OCOISKKJMQI \
  | 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: 49a5c41040d8b2a9b34e139125292c822e55c29ec74a3e28e51cf7e11227b74c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b8501e3346278421dd16002a6225557a697b47cf47ecd9be4ec84a10f10f7537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-24T06:15:40Z",
    "title_canon_sha256": "544224d664168d81603da046a664ff78edc9c1833613e9bce39a0d42d5365215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11890",
    "kind": "arxiv",
    "version": 1
  }
}