Pith Number

pith:MTHHNOU7

pith:2004:MTHHNOU7EG26KXWUDBYBGRRL6G

not attested not anchored not stored refs pending

Exploiting Cross-Document Relations for Multi-document Evolving Summarization

Eleni Kapellou, Irene Doura, Stergos D. Afantenos, Vangelis Karkaletsis

arxiv:cs/0404049 v1 · 2004-04-23 · 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{MTHHNOU7EG26KXWUDBYBGRRL6G}

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	2026-05-18T01:06:49.282537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64ce76ba9f21b5e55ed4187013462bf1a3a45de5c77854fb4cc4541cae4b6860

Aliases

arxiv: cs/0404049 · arxiv_version: cs/0404049v1 · doi: 10.48550/arxiv.cs/0404049 · pith_short_12: MTHHNOU7EG26 · pith_short_16: MTHHNOU7EG26KXWU · pith_short_8: MTHHNOU7

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/MTHHNOU7EG26KXWUDBYBGRRL6G \
  | 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: 64ce76ba9f21b5e55ed4187013462bf1a3a45de5c77854fb4cc4541cae4b6860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76c35aace92f7fc024ddffd5e0a98e53673685866ad34f1cd0867cf02572f7c6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "",
    "primary_cat": "cs.CL",
    "submitted_at": "2004-04-23T10:44:24Z",
    "title_canon_sha256": "3486baf0acb014544ff9faab5378a0cf499086773ff521dff1c1ef5b15597bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0404049",
    "kind": "arxiv",
    "version": 1
  }
}