Pith Number

pith:MI5OZMDV

pith:2019:MI5OZMDVGMCI4CUUFJDSWO6HMW

not attested not anchored not stored refs pending

Contextual Aware Joint Probability Model Towards Question Answering System

Lijing Song, Liu Yang

arxiv:1904.08109 v1 · 2019-04-17 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MI5OZMDVGMCI4CUUFJDSWO6HMW}

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	2026-05-17T23:48:18.721105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

623aecb07533048e0a942a472b3bc7659c01897e91d2e705cb9c9bed06fd4a6a

Aliases

arxiv: 1904.08109 · arxiv_version: 1904.08109v1 · doi: 10.48550/arxiv.1904.08109 · pith_short_12: MI5OZMDVGMCI · pith_short_16: MI5OZMDVGMCI4CUU · pith_short_8: MI5OZMDV

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/MI5OZMDVGMCI4CUUFJDSWO6HMW \
  | 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: 623aecb07533048e0a942a472b3bc7659c01897e91d2e705cb9c9bed06fd4a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31558c4d39777cb71e0ebc5c41dfd9960d3979ffe5e72c3a3a5754b543e9449b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-17T07:16:10Z",
    "title_canon_sha256": "234498a8645e80c5df7cbb369497769b17c8df643ce6ed2be5433dca6d27b8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08109",
    "kind": "arxiv",
    "version": 1
  }
}