Pith Number

pith:FBE2TA7Q

pith:2018:FBE2TA7Q3FNELDSCMNMAGEAQAU

not attested not anchored not stored refs pending

Measuring News Similarity Across Ten U.S. News Sites

Alexander Nwala, Grant C. Atkins, Michael L. Nelson, Michele C. Weigle

arxiv:1806.09082 v2 · 2018-06-24 · cs.DL · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBE2TA7Q3FNELDSCMNMAGEAQAU}

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	2026-05-18T00:11:56.540069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2849a983f0d95a458e426358031010053b28448b3296495e9b3eaaacd7b5de73

Aliases

arxiv: 1806.09082 · arxiv_version: 1806.09082v2 · doi: 10.48550/arxiv.1806.09082 · pith_short_12: FBE2TA7Q3FNE · pith_short_16: FBE2TA7Q3FNELDSC · pith_short_8: FBE2TA7Q

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/FBE2TA7Q3FNELDSCMNMAGEAQAU \
  | 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: 2849a983f0d95a458e426358031010053b28448b3296495e9b3eaaacd7b5de73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccee48db2a48be7bdfdcf8686e31c716636c246ee0fb1adc45cf8d56b4f05a12",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-06-24T04:44:36Z",
    "title_canon_sha256": "af03f11586695c6df45aabd598736644c1d5344519a514b1c6c7a06285526233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09082",
    "kind": "arxiv",
    "version": 2
  }
}