Pith Number

pith:JYPP25YX

pith:2012:JYPP25YXXOEX3THEMLWWAV2AX5

not attested not anchored not stored refs pending

Homology of origamis with symmetries

Carlos Matheus, David Zmiaikou, Jean-Christophe Yoccoz

arxiv:1207.2423 v2 · 2012-07-10 · 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{JYPP25YXXOEX3THEMLWWAV2AX5}

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	2026-05-18T01:12:59.874418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e1efd7717bb897dcce462ed605740bf512d6aba4b2134e6c2e5572069d3a0f8

Aliases

arxiv: 1207.2423 · arxiv_version: 1207.2423v2 · doi: 10.48550/arxiv.1207.2423 · pith_short_12: JYPP25YXXOEX · pith_short_16: JYPP25YXXOEX3THE · pith_short_8: JYPP25YX

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/JYPP25YXXOEX3THEMLWWAV2AX5 \
  | 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: 4e1efd7717bb897dcce462ed605740bf512d6aba4b2134e6c2e5572069d3a0f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f0332aa1073091080c5041f8df22e8cda98d5569ebe3e355a03d563ddffaca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-07-10T17:39:43Z",
    "title_canon_sha256": "3bb97441845f7813416b8083ad0c2573a68697f662933cb2417a936ed51f0bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2423",
    "kind": "arxiv",
    "version": 2
  }
}