Pith Number

pith:P7OOEX46

pith:2013:P7OOEX467J4HSMAA4MYMJ2OEXM

not attested not anchored not stored refs pending

New Alignment Methods for Discriminative Book Summarization

David Bamman, Noah A. Smith

arxiv:1305.1319 v1 · 2013-05-06 · 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{P7OOEX467J4HSMAA4MYMJ2OEXM}

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	2026-05-18T03:26:22.039929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fdce25f9efa78793000e330c4e9c4bb133f3550f97a1195706105e3d75a16ee

Aliases

arxiv: 1305.1319 · arxiv_version: 1305.1319v1 · doi: 10.48550/arxiv.1305.1319 · pith_short_12: P7OOEX467J4H · pith_short_16: P7OOEX467J4HSMAA · pith_short_8: P7OOEX46

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/P7OOEX467J4HSMAA4MYMJ2OEXM \
  | 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: 7fdce25f9efa78793000e330c4e9c4bb133f3550f97a1195706105e3d75a16ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c02bad692174edbfbdea05b6399894105a5b60c4a0c2c7967b8ec1dbba87675e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-05-06T20:27:55Z",
    "title_canon_sha256": "aef89d88fb48586175a7d9083edadce88579f7bb6e5e0492ac54353415c18e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1319",
    "kind": "arxiv",
    "version": 1
  }
}