Pith Number

pith:6UZNZHTG

pith:2013:6UZNZHTGHJ23IM4J3FUSODP6JL

not attested not anchored not stored refs pending

The Sasaki Join, Hamiltonian 2-forms, and Sasaki-Einstein Metrics

Charles P. Boyer, Christina W. T{\o}nnesen-Friedman

arxiv:1309.7067 v3 · 2013-09-26 · 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{6UZNZHTGHJ23IM4J3FUSODP6JL}

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	2026-05-18T02:49:31.722575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f532dc9e663a75b43389d969270dfe4ae6dc874c1585140a70edf331593538d8

Aliases

arxiv: 1309.7067 · arxiv_version: 1309.7067v3 · doi: 10.48550/arxiv.1309.7067 · pith_short_12: 6UZNZHTGHJ23 · pith_short_16: 6UZNZHTGHJ23IM4J · pith_short_8: 6UZNZHTG

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/6UZNZHTGHJ23IM4J3FUSODP6JL \
  | 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: f532dc9e663a75b43389d969270dfe4ae6dc874c1585140a70edf331593538d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "726462deb5c2eb4839a5217c826991e987e710c8af616874a8e97033c879f6d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-26T20:31:50Z",
    "title_canon_sha256": "741154d330881c624e69c6d60d51e17d591f00a0a5d1d8e2e22cfb6c1ae34d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7067",
    "kind": "arxiv",
    "version": 3
  }
}