Pith Number

pith:G6BFA26S

pith:2016:G6BFA26S3K6VYWD37KRDE6XR2V

not attested not anchored not stored refs pending

Mapping class group orbits of curves with self-intersections

Bram Petri, Federica Fanoni, Patricia Cahn

arxiv:1603.00846 v2 · 2016-03-02 · math.GT · math.CO · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6BFA26S3K6VYWD37KRDE6XR2V}

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	2026-05-18T01:14:10.227474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3782506bd2dabd5c587bfaa2327af1d5792a66f5e9154894aa34f77ee9ceceea

Aliases

arxiv: 1603.00846 · arxiv_version: 1603.00846v2 · doi: 10.48550/arxiv.1603.00846 · pith_short_12: G6BFA26S3K6V · pith_short_16: G6BFA26S3K6VYWD3 · pith_short_8: G6BFA26S

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/G6BFA26S3K6VYWD37KRDE6XR2V \
  | 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: 3782506bd2dabd5c587bfaa2327af1d5792a66f5e9154894aa34f77ee9ceceea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e8d7366f2072e9bb16158da7352761e8f9360bd00728715b730647547ad20b",
    "cross_cats_sorted": [
      "math.CO",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-03-02T19:56:58Z",
    "title_canon_sha256": "7ae967afa6a5be6809a3bc829d884c69e02472fede192e5e4badb365e6fdbe3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00846",
    "kind": "arxiv",
    "version": 2
  }
}