Pith Number

pith:VGSTEGP4

pith:2021:VGSTEGP4OTFPROW2GK2L4OUY6B

not attested not anchored not stored refs pending

Modeling "Newsworthiness" for Lead-Generation Across Corpora

Alexander Spangher, Emilio Ferrara, Jonathan May, Nanyun Peng

arxiv:2104.09653 v1 · 2021-04-19 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGSTEGP4OTFPROW2GK2L4OUY6B}

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	2026-07-05T02:33:35.689360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a53219fc74caf8bada32b4be3a98f07ef500879e12371c87c1c026153ce563

Aliases

arxiv: 2104.09653 · arxiv_version: 2104.09653v1 · doi: 10.48550/arxiv.2104.09653 · pith_short_12: VGSTEGP4OTFP · pith_short_16: VGSTEGP4OTFPROW2 · pith_short_8: VGSTEGP4

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/VGSTEGP4OTFPROW2GK2L4OUY6B \
  | 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: a9a53219fc74caf8bada32b4be3a98f07ef500879e12371c87c1c026153ce563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aee2f6f2949e88e9ee65609f9b6bc6d2fa579793c9ab0d765cb564accb8159aa",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-19T21:48:15Z",
    "title_canon_sha256": "060bb0b22650b846bda50e7385ab076d570cc71bbe337112e789b3bd464a2bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09653",
    "kind": "arxiv",
    "version": 1
  }
}