Pith Number

pith:JMHMIJMP

pith:2015:JMHMIJMP3I3Q6KHQII3BFHM3F6

not attested not anchored not stored refs pending

A Method of Passage-Based Document Retrieval in Question Answering System

Chol-Jun Hwang, Chong-Han Ri, Hyok-Chol Choe, Man-Hung Jong

arxiv:1512.05437 v1 · 2015-12-17 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMHMIJMP3I3Q6KHQII3BFHM3F6}

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	2026-05-18T01:24:10.064362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b0ec4258fda370f28f04236129d9b2f99a020222afd4bcff6b2a240a3a47bcb

Aliases

arxiv: 1512.05437 · arxiv_version: 1512.05437v1 · doi: 10.48550/arxiv.1512.05437 · pith_short_12: JMHMIJMP3I3Q · pith_short_16: JMHMIJMP3I3Q6KHQ · pith_short_8: JMHMIJMP

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/JMHMIJMP3I3Q6KHQII3BFHM3F6 \
  | 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: 4b0ec4258fda370f28f04236129d9b2f99a020222afd4bcff6b2a240a3a47bcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db01b5aa365bf9f2fe8f588c4818c3d1408bd29ee4514a8819151ebbf0491490",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-12-17T01:48:37Z",
    "title_canon_sha256": "ffffa7f28eb682ebf359f1f4b66cf135ad946f016f9bd7b656f42ec48a6f3805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05437",
    "kind": "arxiv",
    "version": 1
  }
}