Pith Number

pith:3IDF6VW7

pith:2013:3IDF6VW7QJ2AI4TJFDDPIAFNOC

not attested not anchored not stored refs pending

On the Forelli-Rudin projection theorem

Marijan Markovic

arxiv:1312.6530 v5 · 2013-12-23 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IDF6VW7QJ2AI4TJFDDPIAFNOC}

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	2026-05-18T02:27:29.450944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da065f56df827404726928c6f400ad7090feaedd5f671ef663dc9974f085669c

Aliases

arxiv: 1312.6530 · arxiv_version: 1312.6530v5 · doi: 10.48550/arxiv.1312.6530 · pith_short_12: 3IDF6VW7QJ2A · pith_short_16: 3IDF6VW7QJ2AI4TJ · pith_short_8: 3IDF6VW7

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/3IDF6VW7QJ2AI4TJFDDPIAFNOC \
  | 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: da065f56df827404726928c6f400ad7090feaedd5f671ef663dc9974f085669c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67cc8a34ec069f7e37938877e643af6e1465942b441abb68001be6038716b34f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-12-23T11:41:35Z",
    "title_canon_sha256": "00eb1459be5ad1f992126bf79739a4e63679aea4e12dd602e8ca8bd2d940f596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6530",
    "kind": "arxiv",
    "version": 5
  }
}