Pith Number

pith:KA757HIE

pith:2009:KA757HIEZD6CTCYS63ZNJ6UZ33

not attested not anchored not stored refs pending

On Sasaki-Einstein manifolds in dimension five

Charles P. Boyer, Michael Nakamaye

arxiv:0903.0152 v2 · 2009-03-01 · 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{KA757HIEZD6CTCYS63ZNJ6UZ33}

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	2026-05-18T04:15:17.154442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503fdf9d04c8fc298b12f6f2d4fa99dec63ebb9ee9ce052af05b9212d4121411

Aliases

arxiv: 0903.0152 · arxiv_version: 0903.0152v2 · doi: 10.48550/arxiv.0903.0152 · pith_short_12: KA757HIEZD6C · pith_short_16: KA757HIEZD6CTCYS · pith_short_8: KA757HIE

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/KA757HIEZD6CTCYS63ZNJ6UZ33 \
  | 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: 503fdf9d04c8fc298b12f6f2d4fa99dec63ebb9ee9ce052af05b9212d4121411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c31b883f5389bdb303eb1c93887456983bd3bbea81d2705d3cde217d06e8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-03-01T16:55:24Z",
    "title_canon_sha256": "c679f76a7e2d68ebb98e0c95af618bf0801b1189a13678a5673d8a8534f925ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0152",
    "kind": "arxiv",
    "version": 2
  }
}