Pith Number

pith:PBQXFO54

pith:2015:PBQXFO54ORR2MWKFBXPO66YECI

not attested not anchored not stored refs pending

Counting Curves in Hyperbolic Surfaces

Juan Souto, Viveka Erlandsson

arxiv:1508.02265 v1 · 2015-08-10 · math.GT · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBQXFO54ORR2MWKFBXPO66YECI}

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	2026-05-18T01:35:33.697218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

786172bbbc7463a659450ddeef7b04120edd450245ee9e7d87c4f4a10e8810ac

Aliases

arxiv: 1508.02265 · arxiv_version: 1508.02265v1 · doi: 10.48550/arxiv.1508.02265 · pith_short_12: PBQXFO54ORR2 · pith_short_16: PBQXFO54ORR2MWKF · pith_short_8: PBQXFO54

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/PBQXFO54ORR2MWKFBXPO66YECI \
  | 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: 786172bbbc7463a659450ddeef7b04120edd450245ee9e7d87c4f4a10e8810ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ecaf66c5e8e5cd4bd47c6ca2ed69b09026077189e45d0575cb300d03b82549c",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-08-10T14:45:39Z",
    "title_canon_sha256": "b34b3b114fc6c179dfe0022b4a63942d90e356cc245acd34b9eb9a6b5ba3275d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02265",
    "kind": "arxiv",
    "version": 1
  }
}