Pith Number

pith:3XF3WH7E

pith:2013:3XF3WH7ESL4QFGVVSMLEF45XQZ

not attested not anchored not stored refs pending

Appendix of Extending Bicoloring for Steiner Triple Systems

E. Guardo, L. Milazzo, M. Gionfriddo

arxiv:1308.4793 v1 · 2013-08-22 · 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{3XF3WH7ESL4QFGVVSMLEF45XQZ}

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	2026-05-18T03:15:19.759520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddcbbb1fe492f9029ab5931642f3b78661cfe54c194118688ae6c259bac46acd

Aliases

arxiv: 1308.4793 · arxiv_version: 1308.4793v1 · doi: 10.48550/arxiv.1308.4793 · pith_short_12: 3XF3WH7ESL4Q · pith_short_16: 3XF3WH7ESL4QFGVV · pith_short_8: 3XF3WH7E

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/3XF3WH7ESL4QFGVVSMLEF45XQZ \
  | 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: ddcbbb1fe492f9029ab5931642f3b78661cfe54c194118688ae6c259bac46acd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8811a74a08bba2ad5bcea4489abf1bdf076cef8dc510e1a9ac2ea6e629eb6723",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-22T08:46:06Z",
    "title_canon_sha256": "32218090a77e38aafd3d9f3c93da67edf390209eac09bdb0a9cbac7bd098d6e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4793",
    "kind": "arxiv",
    "version": 1
  }
}