Pith Number

pith:E24HDVGD

pith:2012:E24HDVGDLLLEJHXHTOOM3KWJI2

not attested not anchored not stored refs pending

An exotic deformation of the hyperbolic space

Nicolas Monod, Pierre Py

arxiv:1201.0606 v3 · 2012-01-03 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E24HDVGDLLLEJHXHTOOM3KWJI2}

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	2026-05-18T02:38:59.631617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b871d4c35ad6449ee79b9ccdaac946a02155aef42fc1875dc2eefe0c9ce8c7

Aliases

arxiv: 1201.0606 · arxiv_version: 1201.0606v3 · doi: 10.48550/arxiv.1201.0606 · pith_short_12: E24HDVGDLLLE · pith_short_16: E24HDVGDLLLEJHXH · pith_short_8: E24HDVGD

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/E24HDVGDLLLEJHXHTOOM3KWJI2 \
  | 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: 26b871d4c35ad6449ee79b9ccdaac946a02155aef42fc1875dc2eefe0c9ce8c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8627c423437c8c2f2c914a5ddb78fa70c187e22a656f98ab946e8843fd4189d",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-01-03T10:53:39Z",
    "title_canon_sha256": "c5cc268c5a8452ecd6200b8dbca59673821fed455e40c604fb85403474b56676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0606",
    "kind": "arxiv",
    "version": 3
  }
}