Pith Number

pith:3WH37TRH

pith:2021:3WH37TRHAFEW7NOFABHKLL7WW3

not attested not anchored not stored refs pending

Integrating Subgraph-aware Relation and DirectionReasoning for Question Answering

Bo Cheng, Guoshun Nan, Hao Yang, Ivan Sekulic, Jiale Han, Shuai Zhao, Xu Wang, Yingting Li

arxiv:2104.00218 v1 · 2021-04-01 · 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{3WH37TRHAFEW7NOFABHKLL7WW3}

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	2026-07-05T02:28:25.099310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd8fbfce2701496fb5c5004ea5aff6b6c857a9b30fa4ea1a275929650f7938cc

Aliases

arxiv: 2104.00218 · arxiv_version: 2104.00218v1 · doi: 10.48550/arxiv.2104.00218 · pith_short_12: 3WH37TRHAFEW · pith_short_16: 3WH37TRHAFEW7NOF · pith_short_8: 3WH37TRH

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/3WH37TRHAFEW7NOFABHKLL7WW3 \
  | 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: dd8fbfce2701496fb5c5004ea5aff6b6c857a9b30fa4ea1a275929650f7938cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "881d2fcf3c544dfcc7e9889a6540c93a06382e3c0cf2f438c028ff7c6510758d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-01T03:04:36Z",
    "title_canon_sha256": "5ab96fa20dbd105051134deae13f4eb1fb436efbe6f514eeb36883c42417e4c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00218",
    "kind": "arxiv",
    "version": 1
  }
}