Pith Number

pith:7PILJNBV

pith:2019:7PILJNBV3ND7C643QQW4TYY5BI

not attested not anchored not stored refs pending

Viewing Computer Science through Citation Analysis; Salton and Bergmark Redux

Dmitriy Korobskiy, George Chacko, Sitaram Devarakonda, Tandy Warnow

arxiv:1912.10521 v1 · 2019-12-22 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PILJNBV3ND7C643QQW4TYY5BI}

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	2026-07-05T02:04:05.114166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd0b4b435db47f17b9b842dc9e31d0a05aa0392930c7536e528b9e211caa085

Aliases

arxiv: 1912.10521 · arxiv_version: 1912.10521v1 · doi: 10.48550/arxiv.1912.10521 · pith_short_12: 7PILJNBV3ND7 · pith_short_16: 7PILJNBV3ND7C643 · pith_short_8: 7PILJNBV

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/7PILJNBV3ND7C643QQW4TYY5BI \
  | 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: fbd0b4b435db47f17b9b842dc9e31d0a05aa0392930c7536e528b9e211caa085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c940ad214eebfd5bde7e6b3b9b86a36bee6f58fcb686ec4fbe0bcf3c11df8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-12-22T19:56:49Z",
    "title_canon_sha256": "cf5638c4d56b07485f73ed2ab0299883836dcc5d29f46bffdb070ba32bd37c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10521",
    "kind": "arxiv",
    "version": 1
  }
}