Pith Number

pith:KDW5IEIT

pith:2013:KDW5IEITW5F2LBXMN7EHDUCVCV

not attested not anchored not stored refs pending

Asymptotic properties of the hyperbolic metric on the sphere with three conical singularities

Tanran Zhang

arxiv:1301.7272 v1 · 2013-01-30 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDW5IEITW5F2LBXMN7EHDUCVCV}

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	2026-05-18T03:35:00.750735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50edd41113b74ba586ec6fc871d0551567b70efe70d14901338532f46cd4ef2e

Aliases

arxiv: 1301.7272 · arxiv_version: 1301.7272v1 · doi: 10.48550/arxiv.1301.7272 · pith_short_12: KDW5IEITW5F2 · pith_short_16: KDW5IEITW5F2LBXM · pith_short_8: KDW5IEIT

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/KDW5IEITW5F2LBXMN7EHDUCVCV \
  | 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: 50edd41113b74ba586ec6fc871d0551567b70efe70d14901338532f46cd4ef2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56135831803d451277d4735e5c9cedcbc05b6324d9a2195a9d1d6ff9a1dd13f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-01-30T16:20:52Z",
    "title_canon_sha256": "cfd0a7af2c10102ec5ac680b1638bbc4279408ef1f3f97bba675683b606a6286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7272",
    "kind": "arxiv",
    "version": 1
  }
}