Pith Number

pith:BYKCNC4F

pith:2016:BYKCNC4FQRB6MIXSV5YNU4IRWD

not attested not anchored not stored refs pending

Cores, joins and the Fano-flow conjectures

Eckhard Steffen, Giuseppe Mazzuoccolo, Ligang Jin

arxiv:1601.05762 v1 · 2016-01-21 · 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{BYKCNC4FQRB6MIXSV5YNU4IRWD}

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	2026-05-18T01:22:13.028906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e14268b858443e622f2af70da7111b0fd6239a8e8484f4a3ccfc7dea35ae610

Aliases

arxiv: 1601.05762 · arxiv_version: 1601.05762v1 · doi: 10.48550/arxiv.1601.05762 · pith_short_12: BYKCNC4FQRB6 · pith_short_16: BYKCNC4FQRB6MIXS · pith_short_8: BYKCNC4F

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/BYKCNC4FQRB6MIXSV5YNU4IRWD \
  | 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: 0e14268b858443e622f2af70da7111b0fd6239a8e8484f4a3ccfc7dea35ae610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5089c42f50087061345f2b0432f879e1b8d81dfd9ee85823976cd684b1b315b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-21T19:36:22Z",
    "title_canon_sha256": "849a4587a4f8cb045009d835add8f2248288e61279d6302ffd6faefddc0fa563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05762",
    "kind": "arxiv",
    "version": 1
  }
}