Pith Number

pith:5H7E3BTL

pith:2013:5H7E3BTLIZADWBORJGUSGEGUQM

not attested not anchored not stored refs pending

2-Dimensional Combinatorial Calabi Flow in Hyperbolic Background Geometry

Huabin Ge, Xu Xu

arxiv:1301.6505 v1 · 2013-01-28 · math.DG · 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{5H7E3BTLIZADWBORJGUSGEGUQM}

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	2026-05-18T00:51:03.624976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fe4d866b46403b05d149a92310d4831c53616453fb132402a875677af74a49

Aliases

arxiv: 1301.6505 · arxiv_version: 1301.6505v1 · doi: 10.48550/arxiv.1301.6505 · pith_short_12: 5H7E3BTLIZAD · pith_short_16: 5H7E3BTLIZADWBOR · pith_short_8: 5H7E3BTL

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/5H7E3BTLIZADWBORJGUSGEGUQM \
  | 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: e9fe4d866b46403b05d149a92310d4831c53616453fb132402a875677af74a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2808e4287f8396fd32d9748bc9cc6f23a3091c0409eb4d3f75d9b90d3329087d",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-28T10:22:33Z",
    "title_canon_sha256": "7f1db21a7cd0f73c51ab6555883a0ea90b7ddbaad7e187e402312a09b4dbebec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6505",
    "kind": "arxiv",
    "version": 1
  }
}