Pith Number

pith:I6SKSS4B

pith:2011:I6SKSS4BNMRBKSKXVD447N3TFZ

not attested not anchored not stored refs pending

A note on zero-sum 5-flows in regular graphs

G. B. Khosrovshahi, N. Ghareghani, S. Akbari, S. Zare

arxiv:1108.2950 v1 · 2011-08-15 · 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{I6SKSS4BNMRBKSKXVD447N3TFZ}

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	2026-05-18T02:25:11.886694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a4a94b816b22154957a8f9cfb7732e578dffc05c38fc5ef9268e1deeb92063

Aliases

arxiv: 1108.2950 · arxiv_version: 1108.2950v1 · doi: 10.48550/arxiv.1108.2950 · pith_short_12: I6SKSS4BNMRB · pith_short_16: I6SKSS4BNMRBKSKX · pith_short_8: I6SKSS4B

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/I6SKSS4BNMRBKSKXVD447N3TFZ \
  | 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: 47a4a94b816b22154957a8f9cfb7732e578dffc05c38fc5ef9268e1deeb92063

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156aafa92f7d4a04c39b2982f60cfab9e92a3e877e46cb305e9794a80d3a81d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-15T07:46:23Z",
    "title_canon_sha256": "5872654f55cdf0be4cfdd8c815aaa01c5d6530a2d6fb57496541e6eca7249ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2950",
    "kind": "arxiv",
    "version": 1
  }
}