Pith Number

pith:YBOATOUP

pith:2016:YBOATOUPLECHEYSIBO3IWGFIHM

not attested not anchored not stored refs pending

Combinatorial models for moduli spaces of open Riemann surfaces

Brad Safnuk

arxiv:1609.07226 v2 · 2016-09-23 · math.SG · math-ph · math.GT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBOATOUPLECHEYSIBO3IWGFIHM}

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	2026-05-18T01:03:40.356828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c05c09ba8f59047262480bb68b18a83b1c7b7c5f5b8d23b448ef6708e9b57cd5

Aliases

arxiv: 1609.07226 · arxiv_version: 1609.07226v2 · doi: 10.48550/arxiv.1609.07226 · pith_short_12: YBOATOUPLECH · pith_short_16: YBOATOUPLECHEYSI · pith_short_8: YBOATOUP

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/YBOATOUPLECHEYSIBO3IWGFIHM \
  | 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: c05c09ba8f59047262480bb68b18a83b1c7b7c5f5b8d23b448ef6708e9b57cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5246c796f6f5d263add565b4992c34e87a6c37720b73a64eb77d953d5325025a",
    "cross_cats_sorted": [
      "math-ph",
      "math.GT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-09-23T04:15:52Z",
    "title_canon_sha256": "0e1f1c8bbf71f9ace5ae8fed688853e90491fc62b0284a85d913a272c5976c0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07226",
    "kind": "arxiv",
    "version": 2
  }
}