Pith Number

pith:RNFGGKUL

pith:2013:RNFGGKULSJQBY3DXZ3WBXFZIIA

not attested not anchored not stored refs pending

On Area Comparison and Rigidity Involving the Scalar Curvature

Vlad Moraru

arxiv:1309.1050 v1 · 2013-09-04 · 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{RNFGGKULSJQBY3DXZ3WBXFZIIA}

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	2026-05-18T03:14:09.221086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b4a632a8b92601c6c77ceec1b9728401aa977b55c4a180fcfd66c116ae582de

Aliases

arxiv: 1309.1050 · arxiv_version: 1309.1050v1 · doi: 10.48550/arxiv.1309.1050 · pith_short_12: RNFGGKULSJQB · pith_short_16: RNFGGKULSJQBY3DX · pith_short_8: RNFGGKUL

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/RNFGGKULSJQBY3DXZ3WBXFZIIA \
  | 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: 8b4a632a8b92601c6c77ceec1b9728401aa977b55c4a180fcfd66c116ae582de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "147003a70a66028d1535565765d84669ad918b819238304791a7240d053abac4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-04T14:37:18Z",
    "title_canon_sha256": "94c339f939e5b30a4b49b27d57e5b702223b0310b5e8e3dc3c8b01402ea0d475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1050",
    "kind": "arxiv",
    "version": 1
  }
}