Pith Number

pith:RAEKUDHH

pith:2012:RAEKUDHHTJYATLAHYP2PP772E5

not attested not anchored not stored refs pending

Maximization of the second conformal eigenvalue of spheres

Romain Petrides

arxiv:1206.0229 v1 · 2012-06-01 · math.SP · 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{RAEKUDHHTJYATLAHYP2PP772E5}

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	2026-05-18T03:54:26.752619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8808aa0ce79a7009ac07c3f4f7fffa2765b7add18a9561f0afedf0f45313ee24

Aliases

arxiv: 1206.0229 · arxiv_version: 1206.0229v1 · doi: 10.48550/arxiv.1206.0229 · pith_short_12: RAEKUDHHTJYA · pith_short_16: RAEKUDHHTJYATLAH · pith_short_8: RAEKUDHH

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/RAEKUDHHTJYATLAHYP2PP772E5 \
  | 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: 8808aa0ce79a7009ac07c3f4f7fffa2765b7add18a9561f0afedf0f45313ee24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b3b3d73873f62f7fe8d66737d4c54c06bcc46e357386690df7b271234d3152f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2012-06-01T15:42:17Z",
    "title_canon_sha256": "a139b4506612267d0be100b9799d01c134f849f4acc1f095f2ae017f0ccc1b6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0229",
    "kind": "arxiv",
    "version": 1
  }
}