Pith Number

pith:Y6QLGKVC

pith:2014:Y6QLGKVCKAXO7NB6Z5OXDJFIMV

not attested not anchored not stored refs pending

Norm of the Bergman projection onto the Bloch spave

David Kalaj, Djordjije Vujadinovic

arxiv:1406.7083 v1 · 2014-06-27 · 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{Y6QLGKVCKAXO7NB6Z5OXDJFIMV}

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	2026-05-18T02:48:54.162671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7a0b32aa2502eefb43ecf5d71a4a865712db08caaa020329b2dadc8e6b54a70

Aliases

arxiv: 1406.7083 · arxiv_version: 1406.7083v1 · doi: 10.48550/arxiv.1406.7083 · pith_short_12: Y6QLGKVCKAXO · pith_short_16: Y6QLGKVCKAXO7NB6 · pith_short_8: Y6QLGKVC

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/Y6QLGKVCKAXO7NB6Z5OXDJFIMV \
  | 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: c7a0b32aa2502eefb43ecf5d71a4a865712db08caaa020329b2dadc8e6b54a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9205e5c903b938b9b62e2d2a9580e228522c97ef949b338e909436ab875539c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-06-27T07:06:49Z",
    "title_canon_sha256": "51b993b490be4f92cf3dfe76bf8300c2dec2f00e6e6a7a3889ddb56b3d569394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7083",
    "kind": "arxiv",
    "version": 1
  }
}