Pith Number

pith:UWAPI37I

pith:2019:UWAPI37IV5YXXFSKBLSX46U4MH

not attested not anchored not stored refs pending

Question Answering via Web Extracted Tables and Pipelined Models

Anthony Tomasic, Bhavya Karki, Fan Hu, Lucile Callebert, Matthias Grabmair, Nithin Haridas, Suhail Barot, Zihua Liu

arxiv:1903.07113 v2 · 2019-03-17 · 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{UWAPI37IV5YXXFSKBLSX46U4MH}

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	2026-05-17T23:48:29.790032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a580f46fe8af717b964a0ae57e7a9c61c265f632e8f09f409ebb816573ff206d

Aliases

arxiv: 1903.07113 · arxiv_version: 1903.07113v2 · doi: 10.48550/arxiv.1903.07113 · pith_short_12: UWAPI37IV5YX · pith_short_16: UWAPI37IV5YXXFSK · pith_short_8: UWAPI37I

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/UWAPI37IV5YXXFSKBLSX46U4MH \
  | 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: a580f46fe8af717b964a0ae57e7a9c61c265f632e8f09f409ebb816573ff206d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42fa1a41c962c0a97f3d20daa2c5c5808b494aef1cdb514d0a18ce78dc225b65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-17T15:46:05Z",
    "title_canon_sha256": "d52fde31bdec23fa76ae7f85ca90b775c8ccc19d227e88939af01eba338c7e93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07113",
    "kind": "arxiv",
    "version": 2
  }
}