Pith Number

pith:SZONON5Q

pith:2013:SZONON5QRY4P35BU227WR5PT6N

not attested not anchored not stored refs pending

Harmonic morphisms from homogeneous spaces of positive curvature

Martin Svensson, Sigmundur Gudmundsson

arxiv:1312.6515 v3 · 2013-12-23 · 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{SZONON5QRY4P35BU227WR5PT6N}

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	2026-05-17T23:53:14.782651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

965cd737b08e38fdf434d6bf68f5f3f3731f5973b263251d9e5df0bf47400e1c

Aliases

arxiv: 1312.6515 · arxiv_version: 1312.6515v3 · doi: 10.48550/arxiv.1312.6515 · pith_short_12: SZONON5QRY4P · pith_short_16: SZONON5QRY4P35BU · pith_short_8: SZONON5Q

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/SZONON5QRY4P35BU227WR5PT6N \
  | 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: 965cd737b08e38fdf434d6bf68f5f3f3731f5973b263251d9e5df0bf47400e1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e9b2ca134ae194eef02f7d24406f751b04dc19c53e13020e813970d6c10ad8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-23T10:53:02Z",
    "title_canon_sha256": "2b86c59a7c86b7c5b4e3a40797bd30f40d0bf0eaf23aa53cdc64dca3a7fda31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6515",
    "kind": "arxiv",
    "version": 3
  }
}