Pith Number

pith:IEXJMYDT

pith:2025:IEXJMYDTCSATAECVPDPPCI66XN

not attested not anchored not stored refs pending

Context-Aware Hierarchical Merging for Long Document Summarization

Litu Ou, Mirella Lapata

arxiv:2502.00977 v2 · 2025-02-03 · 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{IEXJMYDTCSATAECVPDPPCI66XN}

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	2026-07-05T11:50:30.823476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412e966073148130105578def123debb7d505cd5da612679070549b393cfabbb

Aliases

arxiv: 2502.00977 · arxiv_version: 2502.00977v2 · doi: 10.48550/arxiv.2502.00977 · pith_short_12: IEXJMYDTCSAT · pith_short_16: IEXJMYDTCSATAECV · pith_short_8: IEXJMYDT

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/IEXJMYDTCSATAECVPDPPCI66XN \
  | 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: 412e966073148130105578def123debb7d505cd5da612679070549b393cfabbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a040d86aaf71fac790dc8f2a4fc11d8125105948e5a07b80692fc9f0f85a42",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-03T01:14:31Z",
    "title_canon_sha256": "af26b619dd1eff36cfa29e36d08acf3ec8763b537623f2cf72c832cc5e60c76b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00977",
    "kind": "arxiv",
    "version": 2
  }
}