Pith Number

pith:FGZENS56

pith:2018:FGZENS56TFHUD3JJ3UKZVTC6OC

not attested not anchored not stored refs pending

Quantitative aspects of acyclicity

Dmitry N. Kozlov, Roy Meshulam

arxiv:1802.03210 v1 · 2018-02-09 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGZENS56TFHUD3JJ3UKZVTC6OC}

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	2026-05-18T00:23:58.302752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b246cbbe994f41ed29dd159acc5e708bdff79d83759def4032e5dad3b35bf0

Aliases

arxiv: 1802.03210 · arxiv_version: 1802.03210v1 · doi: 10.48550/arxiv.1802.03210 · pith_short_12: FGZENS56TFHU · pith_short_16: FGZENS56TFHUD3JJ · pith_short_8: FGZENS56

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/FGZENS56TFHUD3JJ3UKZVTC6OC \
  | 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: 29b246cbbe994f41ed29dd159acc5e708bdff79d83759def4032e5dad3b35bf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d25c5890d9f5b32d786338e1911f1f1e85c201e3b062c85dbc1348f1e8605f7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-09T11:41:33Z",
    "title_canon_sha256": "e63e77fdbf56f00a3e8a6582a01466b2b4ff219fd4a9f60655c989a5a9f89943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03210",
    "kind": "arxiv",
    "version": 1
  }
}