Pith Number

pith:QECGL7JY

pith:2015:QECGL7JYO4L3N3SFQGZUBDHWPV

not attested not anchored not stored refs pending

Splitting cubic circle graphs

Lorenzo Traldi

arxiv:1504.01143 v1 · 2015-04-05 · 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{QECGL7JYO4L3N3SFQGZUBDHWPV}

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	2026-05-18T01:11:13.572306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810465fd387717b6ee4581b3408cf67d7775379cac330e4fd7672fb143deb138

Aliases

arxiv: 1504.01143 · arxiv_version: 1504.01143v1 · doi: 10.48550/arxiv.1504.01143 · pith_short_12: QECGL7JYO4L3 · pith_short_16: QECGL7JYO4L3N3SF · pith_short_8: QECGL7JY

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/QECGL7JYO4L3N3SFQGZUBDHWPV \
  | 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: 810465fd387717b6ee4581b3408cf67d7775379cac330e4fd7672fb143deb138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb44b49a0f9b373073a7cf99db5ff6d70fa384777855e779315757735e2026c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-05T17:42:56Z",
    "title_canon_sha256": "3fb8a79ce3c6c09c50a833aff5fe4b68bbab698879820648f025cd3b23459550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01143",
    "kind": "arxiv",
    "version": 1
  }
}