Pith Number

pith:BXD6J5MB

pith:2017:BXD6J5MBYX23UKPB7O5SSIH5RS

not attested not anchored not stored refs pending

Geodesic intersections and isoxial Fuchsian groups

Greg McShane

arxiv:1709.08958 v1 · 2017-09-26 · 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{BXD6J5MBYX23UKPB7O5SSIH5RS}

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	2026-05-18T00:34:21.466536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dc7e4f581c5f5ba29e1fbbb2920fd8c894a8e51976d5a49a88dcf587226bc59

Aliases

arxiv: 1709.08958 · arxiv_version: 1709.08958v1 · doi: 10.48550/arxiv.1709.08958 · pith_short_12: BXD6J5MBYX23 · pith_short_16: BXD6J5MBYX23UKPB · pith_short_8: BXD6J5MB

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/BXD6J5MBYX23UKPB7O5SSIH5RS \
  | 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: 0dc7e4f581c5f5ba29e1fbbb2920fd8c894a8e51976d5a49a88dcf587226bc59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4c7f3c3718d45d26188a54772474a762d17a63eaaba59f921063565dbca8e43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-09-26T12:03:58Z",
    "title_canon_sha256": "8f8b7c754f1262eeb09d881300a07f7fc813bd601a280dfdd0a067100d43ac90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08958",
    "kind": "arxiv",
    "version": 1
  }
}