Pith Number

pith:I4FJC2NR

pith:2019:I4FJC2NRSPXC2AX276U3HICG67

not attested not anchored not stored refs pending

Query-oriented text summarization based on hypergraph transversals

Hadrien Van Lierde, Tommy W. S. Chow

arxiv:1902.00672 v1 · 2019-02-02 · 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{I4FJC2NRSPXC2AX276U3HICG67}

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	2026-05-17T23:48:30.629014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470a9169b193ee2d02faffa9b3a046f7d13626ba1b1db0d9054f812497dece9a

Aliases

arxiv: 1902.00672 · arxiv_version: 1902.00672v1 · doi: 10.48550/arxiv.1902.00672 · pith_short_12: I4FJC2NRSPXC · pith_short_16: I4FJC2NRSPXC2AX2 · pith_short_8: I4FJC2NR

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/I4FJC2NRSPXC2AX276U3HICG67 \
  | 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: 470a9169b193ee2d02faffa9b3a046f7d13626ba1b1db0d9054f812497dece9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6578f641c1f41cc4789db0316943dbd66b1acd915e85152502d4fe3ef3657aaf",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-02T08:52:44Z",
    "title_canon_sha256": "d9b7ab8c3bc72d71cf540f2d5b316255e6e65b75aee4755489c444d980a88448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00672",
    "kind": "arxiv",
    "version": 1
  }
}