Pith Number

pith:PSUAQ57P

pith:2011:PSUAQ57PMHJSBKXSK2OU3FQIKT

not attested not anchored not stored refs pending

Combinatorial Variations on Cantor's Diagonal

Jean-Philippe Labb\'e, Michel Mend\`es France, Sre\v{c}ko Brlek

arxiv:1104.1083 v3 · 2011-04-06 · 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{PSUAQ57PMHJSBKXSK2OU3FQIKT}

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	2026-05-18T04:07:32.344233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca80877ef61d320aaf2569d4d960854c3e8f36aee453d9065032182e85eecd1

Aliases

arxiv: 1104.1083 · arxiv_version: 1104.1083v3 · doi: 10.48550/arxiv.1104.1083 · pith_short_12: PSUAQ57PMHJS · pith_short_16: PSUAQ57PMHJSBKXS · pith_short_8: PSUAQ57P

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/PSUAQ57PMHJSBKXSK2OU3FQIKT \
  | 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: 7ca80877ef61d320aaf2569d4d960854c3e8f36aee453d9065032182e85eecd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6528a7713e46e73fb834f8bcd6d242f3d0f9fd93223e9cfa72186d6b360c27b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-04-06T13:02:47Z",
    "title_canon_sha256": "06923329738c71cae9792e095e2953418e8eae1872f265c392fca67f0029cdf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1083",
    "kind": "arxiv",
    "version": 3
  }
}