Pith Number

pith:Y5L643NY

pith:2004:Y5L643NYEQJGCS4ITJP6QRVHEQ

not attested not anchored not stored refs pending

Peripheral separability and cusps of arithmetic hyperbolic orbifolds

D.B. McReynolds

arxiv:math/0409278 v1 · 2004-09-16 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5L643NYEQJGCS4ITJP6QRVHEQ}

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	2026-05-18T02:41:32.315329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c757ee6db82412614b889a5fe846a72413eda5146e140fe900de2233eb860d5d

Aliases

arxiv: math/0409278 · arxiv_version: math/0409278v1 · doi: 10.48550/arxiv.math/0409278 · pith_short_12: Y5L643NYEQJG · pith_short_16: Y5L643NYEQJGCS4I · pith_short_8: Y5L643NY

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/Y5L643NYEQJGCS4ITJP6QRVHEQ \
  | 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: c757ee6db82412614b889a5fe846a72413eda5146e140fe900de2233eb860d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8decc6a561a5bae45c52bf15f8f6717c807373c0518603020b162d5af810ac19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2004-09-16T13:40:22Z",
    "title_canon_sha256": "0c33fe3dbed2d217e847aa7286c7212d0d180e91de478fbd58aefc83eed63430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0409278",
    "kind": "arxiv",
    "version": 1
  }
}