Pith Number

pith:7NB4SMBO

pith:2015:7NB4SMBOMOWPRIXUZA54PBIJIR

not attested not anchored not stored refs pending

S-index: Towards Better Metrics for Quantifying Research Impact

Neil Shah, Yang Song

arxiv:1507.03650 v1 · 2015-07-13 · 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{7NB4SMBOMOWPRIXUZA54PBIJIR}

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	2026-05-18T01:35:37.971235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb43c9302e63acf8a2f4c83bc785094456cb017c17e367d3cf80520f5ad0ef62

Aliases

arxiv: 1507.03650 · arxiv_version: 1507.03650v1 · doi: 10.48550/arxiv.1507.03650 · pith_short_12: 7NB4SMBOMOWP · pith_short_16: 7NB4SMBOMOWPRIXU · pith_short_8: 7NB4SMBO

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/7NB4SMBOMOWPRIXUZA54PBIJIR \
  | 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: fb43c9302e63acf8a2f4c83bc785094456cb017c17e367d3cf80520f5ad0ef62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87acec9387b90c2315300f8528045e2f926968f0d82e663d38727a763cecf3f6",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-07-13T23:07:13Z",
    "title_canon_sha256": "48c79cd9bd8f3815c9b02372684f3a9f75f711f86efa83787b6b8b256368cc16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03650",
    "kind": "arxiv",
    "version": 1
  }
}