Pith Number

pith:66HGEPKV

pith:2018:66HGEPKVIZXTPUUJHQSLRECIGG

not attested not anchored not stored refs pending

On the Construction of Substitutes

Eric Balkanski, Renato Paes Leme

arxiv:1805.03726 v2 · 2018-05-09 · cs.GT · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66HGEPKVIZXTPUUJHQSLRECIGG}

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	2026-05-17T23:59:22.738180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78e623d55466f37d2893c24b8904831a926e49587bd1210b5d95fe9c9c687d8

Aliases

arxiv: 1805.03726 · arxiv_version: 1805.03726v2 · doi: 10.48550/arxiv.1805.03726 · pith_short_12: 66HGEPKVIZXT · pith_short_16: 66HGEPKVIZXTPUUJ · pith_short_8: 66HGEPKV

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/66HGEPKVIZXTPUUJHQSLRECIGG \
  | 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: f78e623d55466f37d2893c24b8904831a926e49587bd1210b5d95fe9c9c687d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df67a6b9fa6019ec60cf2f89ab89fa0436cb7fbdf19c26136966fcb98eefaf0e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-05-09T20:39:39Z",
    "title_canon_sha256": "58600969e83e296171a3d37ef038319db44139d32ac491f914ba0ff09271eb00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03726",
    "kind": "arxiv",
    "version": 2
  }
}