Pith Number

pith:ZI3XSXTT

pith:2019:ZI3XSXTTVF3DLNQCEOT4LUFZWJ

not attested not anchored not stored refs pending

Open Information Extraction from Question-Answer Pairs

Alon Halevy, H. V. Jagadish, Nikita Bhutani, Wang-Chiew Tan, Yoshihiko Suhara

arxiv:1903.00172 v2 · 2019-03-01 · 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{ZI3XSXTTVF3DLNQCEOT4LUFZWJ}

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	2026-05-17T23:49:14.526173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca37795e73a97635b60223a7c5d0b9b25de994a82c950e7b629bccb312c69483

Aliases

arxiv: 1903.00172 · arxiv_version: 1903.00172v2 · doi: 10.48550/arxiv.1903.00172 · pith_short_12: ZI3XSXTTVF3D · pith_short_16: ZI3XSXTTVF3DLNQC · pith_short_8: ZI3XSXTT

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/ZI3XSXTTVF3DLNQCEOT4LUFZWJ \
  | 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: ca37795e73a97635b60223a7c5d0b9b25de994a82c950e7b629bccb312c69483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23317772f14c626a544c3bd7f2ed3b048132edf9085657930fefeb17770d4f23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-01T06:26:50Z",
    "title_canon_sha256": "ece73cbb034418d7bd9723afcf63aee388589f25427e770a347e3fe8e05f012b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00172",
    "kind": "arxiv",
    "version": 2
  }
}