Pith Number

pith:C6UIVD3K

pith:2014:C6UIVD3K4ERMENUEMTOPNAQYUF

not attested not anchored not stored refs pending

A generalization of the problem of Mariusz Meszka

Anita Pasotti, Marco Antonio Pellegrini

arxiv:1404.3890 v2 · 2014-04-15 · 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{C6UIVD3K4ERMENUEMTOPNAQYUF}

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	2026-05-18T02:25:32.645212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a88a8f6ae122c2368464dcf68218a14ccc64d6360d732e172f14187a86c1c8

Aliases

arxiv: 1404.3890 · arxiv_version: 1404.3890v2 · doi: 10.48550/arxiv.1404.3890 · pith_short_12: C6UIVD3K4ERM · pith_short_16: C6UIVD3K4ERMENUE · pith_short_8: C6UIVD3K

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/C6UIVD3K4ERMENUEMTOPNAQYUF \
  | 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: 17a88a8f6ae122c2368464dcf68218a14ccc64d6360d732e172f14187a86c1c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e384f2f66759fe0eb1a3ae030b0ca7d255340fe15dacfdae16b9e4f338b54f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-15T12:31:57Z",
    "title_canon_sha256": "c2f9c1060fe6db61c602be309c55cd99cb61be95c46c6afbe09d3b419acf09d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3890",
    "kind": "arxiv",
    "version": 2
  }
}