Pith Number

pith:4P537YDF

pith:2026:4P537YDFJYDHATE3CGIR7KL5ZB

not attested not anchored not stored refs pending

On the Hamilton-Tian Conjecture in a compact transverse Fano Sasakian $5$-manifold

Chien Lin, Chin-Tung Wu, Shu-Cheng Chang, Yingbo Han

arxiv:2605.20852 v1 · 2026-05-20 · 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{4P537YDFJYDHATE3CGIR7KL5ZB}

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	2026-05-21T01:05:24.516578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3fbbfe0654e06704c9b11911fa97dc85654d58b73ff45db4905d352e10ab0f3

Aliases

arxiv: 2605.20852 · arxiv_version: 2605.20852v1 · doi: 10.48550/arxiv.2605.20852 · pith_short_12: 4P537YDFJYDH · pith_short_16: 4P537YDFJYDHATE3 · pith_short_8: 4P537YDF

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/4P537YDFJYDHATE3CGIR7KL5ZB \
  | 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: e3fbbfe0654e06704c9b11911fa97dc85654d58b73ff45db4905d352e10ab0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ab353d5fb58e5bbda46c69e46fa2736e0380a6b5305dba4f5411cb64cd867bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-05-20T07:44:05Z",
    "title_canon_sha256": "a344800b00ded52e35d77fa59ef5d96d7715a34aa3dd70e031d0188a291f91f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20852",
    "kind": "arxiv",
    "version": 1
  }
}