Pith Number

pith:XCGITQ3A

pith:2014:XCGITQ3A7237E5K3CI23IG4PS5

not attested not anchored not stored refs pending

An algorithm that constructs irreducible triangulations of once-punctured surfaces

Jos\'e Ram\'on Portillo, Mar\'ia Jos\'e Ch\'avez, Mar\'ia Trinidad Villar, Serge Lawrencenko

arxiv:1410.7738 v3 · 2014-10-28 · 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{XCGITQ3A7237E5K3CI23IG4PS5}

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	2026-05-18T01:02:46.040106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b88c89c360feb7f2755b1235b41b8f976f01f95aa0d088f36d74c291cae1d6a5

Aliases

arxiv: 1410.7738 · arxiv_version: 1410.7738v3 · doi: 10.48550/arxiv.1410.7738 · pith_short_12: XCGITQ3A7237 · pith_short_16: XCGITQ3A7237E5K3 · pith_short_8: XCGITQ3A

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/XCGITQ3A7237E5K3CI23IG4PS5 \
  | 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: b88c89c360feb7f2755b1235b41b8f976f01f95aa0d088f36d74c291cae1d6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a9a7fe2b97a355f7011c0424c63175ca7d699d86ca0e4addf5609a95257cfe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-28T19:10:17Z",
    "title_canon_sha256": "ed58dd7bd39dc0055f219c2f85a1d2c0f019908ec1612961583e0f521630bbfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7738",
    "kind": "arxiv",
    "version": 3
  }
}