Pith Number

pith:O5PZRMV4

pith:2015:O5PZRMV4DSAQ5MBEQSSK3DWU3Y

not attested not anchored not stored refs pending

Privacy-Preserving Multi-Document Summarization

Anatole Gershman, Bhiksha Raj, David Martins de Matos, Isabel Trancoso, Jaime Carbonell, Jo\~ao P. Neto, Jos\'e Port\^elo, Lu\'is Marujo, Wang Ling

arxiv:1508.01420 v1 · 2015-08-06 · cs.IR · cs.CL · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5PZRMV4DSAQ5MBEQSSK3DWU3Y}

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	2026-05-18T01:35:42.670594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775f98b2bc1c810eb02484a4ad8ed4de03c5a5c830d859af1d448a324c972bb9

Aliases

arxiv: 1508.01420 · arxiv_version: 1508.01420v1 · doi: 10.48550/arxiv.1508.01420 · pith_short_12: O5PZRMV4DSAQ · pith_short_16: O5PZRMV4DSAQ5MBE · pith_short_8: O5PZRMV4

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/O5PZRMV4DSAQ5MBEQSSK3DWU3Y \
  | 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: 775f98b2bc1c810eb02484a4ad8ed4de03c5a5c830d859af1d448a324c972bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3b052d38fd0290f6d7cf58e4b7e3d6899c2018fc8bb4d00031c5d1d78d8c10c",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-08-06T14:30:47Z",
    "title_canon_sha256": "9da1d365abc903d78f08773041c9e3081ba8daf256a4b1397e09fcaa0dbb6f47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01420",
    "kind": "arxiv",
    "version": 1
  }
}