Pith Number

pith:R2TKRKAU

pith:2013:R2TKRKAUVPEKBTQ636PUG72EYL

not attested not anchored not stored refs pending

Constructions of Large Graphs on Surfaces

Guillermo Pineda-Villavicencio, Ramiro Feria-Puron

arxiv:1302.1648 v1 · 2013-02-07 · 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{R2TKRKAUVPEKBTQ636PUG72EYL}

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	2026-05-18T02:52:42.173376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea6a8a814abc8a0ce1edf9f437f44c2ff2e120702cc5eecbe5aabde602041fe

Aliases

arxiv: 1302.1648 · arxiv_version: 1302.1648v1 · doi: 10.48550/arxiv.1302.1648 · pith_short_12: R2TKRKAUVPEK · pith_short_16: R2TKRKAUVPEKBTQ6 · pith_short_8: R2TKRKAU

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/R2TKRKAUVPEKBTQ636PUG72EYL \
  | 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: 8ea6a8a814abc8a0ce1edf9f437f44c2ff2e120702cc5eecbe5aabde602041fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27261a4310cbbc6f35aefc360e0d9b676bf8d04b793ea14fb3f93b04cd7183b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-07T06:16:01Z",
    "title_canon_sha256": "b5bf55e94f9d282663681582b902fe05298d1a1773dd4355aa7de743a059aa41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1648",
    "kind": "arxiv",
    "version": 1
  }
}