Pith Number

pith:2ZFU2CWD

pith:2017:2ZFU2CWDIKIBLCALB3IW6QUNIL

not attested not anchored not stored refs pending

Comparison-Based Choices

Johan Ugander, Jon Kleinberg, Sendhil Mullainathan

arxiv:1705.05735 v1 · 2017-05-16 · cs.DS · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZFU2CWDIKIBLCALB3IW6QUNIL}

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	2026-05-18T00:44:20.331161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64b4d0ac3429015880b0ed16f428d42eff14b263d7c152731b8d783e0bef2c0

Aliases

arxiv: 1705.05735 · arxiv_version: 1705.05735v1 · doi: 10.48550/arxiv.1705.05735 · pith_short_12: 2ZFU2CWDIKIB · pith_short_16: 2ZFU2CWDIKIBLCAL · pith_short_8: 2ZFU2CWD

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/2ZFU2CWDIKIBLCALB3IW6QUNIL \
  | 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: d64b4d0ac3429015880b0ed16f428d42eff14b263d7c152731b8d783e0bef2c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c37b12e01844edcc6d72942eddd999d48b23444f0a81e2e2654b6f15bc24a16",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-16T14:44:13Z",
    "title_canon_sha256": "2b2e69fd91d21df24dac5ebc2ea8359654f16ec2310eb8abf006a98b8a635402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05735",
    "kind": "arxiv",
    "version": 1
  }
}