Pith Number

pith:NZQWSS4X

pith:2017:NZQWSS4XG37NZ4B3RYIQ5SFITP

not attested not anchored not stored refs pending

Scalar curvature, flat Borromean rings, and the 3-body problem

Michael Atiyah

arxiv:1709.01539 v1 · 2017-09-05 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZQWSS4XG37NZ4B3RYIQ5SFITP}

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	2026-05-18T00:35:54.857578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e61694b9736fedcf03b8e110ec8a89bfbd38bb4bf8ad500f5164d2ff4f71dec

Aliases

arxiv: 1709.01539 · arxiv_version: 1709.01539v1 · doi: 10.48550/arxiv.1709.01539 · pith_short_12: NZQWSS4XG37N · pith_short_16: NZQWSS4XG37NZ4B3 · pith_short_8: NZQWSS4X

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/NZQWSS4XG37NZ4B3RYIQ5SFITP \
  | 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: 6e61694b9736fedcf03b8e110ec8a89bfbd38bb4bf8ad500f5164d2ff4f71dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e6cf7c2fec8a60f0f8bec31702a644a0e383cf941b52eaf487626292bab5df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-09-05T18:20:19Z",
    "title_canon_sha256": "49c62c0253ee47ae96cd8a48a16b240a3046f71b09a5b22a1b8a1f2b07fb4ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01539",
    "kind": "arxiv",
    "version": 1
  }
}