Pith Number

pith:57TB7HKK

pith:2019:57TB7HKKEQGA7HFHDFEDCDAM5G

not attested not anchored not stored refs pending

CASE: Context-Aware Semantic Expansion

Aixin Sun, Chenliang Li, Haisong Zhang, Jialong Han, Shuming Shi

arxiv:1912.13194 v1 · 2019-12-31 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57TB7HKKEQGA7HFHDFEDCDAM5G}

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	2026-07-05T00:29:06.902552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe61f9d4a240c0f9ca71948310c0ce9982d3c15d490d48ca0c9346b6398cc32

Aliases

arxiv: 1912.13194 · arxiv_version: 1912.13194v1 · doi: 10.48550/arxiv.1912.13194 · pith_short_12: 57TB7HKKEQGA · pith_short_16: 57TB7HKKEQGA7HFH · pith_short_8: 57TB7HKK

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/57TB7HKKEQGA7HFHDFEDCDAM5G \
  | 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: efe61f9d4a240c0f9ca71948310c0ce9982d3c15d490d48ca0c9346b6398cc32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49643fd86cfe5dc3658473cc70e584119b19f063799d6541dd04472d589a74d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-12-31T06:38:57Z",
    "title_canon_sha256": "823d9c7807befb0529375b380894c5156a55bb8d49b9367f7b77e8e9b37e6949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.13194",
    "kind": "arxiv",
    "version": 1
  }
}