Pith Number

pith:HP4WQBGL

pith:2018:HP4WQBGLB7R7JJ3IXNV4T5SPLJ

not attested not anchored not stored refs pending

$L_p$-Blaschke Valuations

Gangsong Leng, Jin Li, Shufeng Yuan

arxiv:1802.07559 v1 · 2018-02-21 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HP4WQBGLB7R7JJ3IXNV4T5SPLJ}

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	2026-05-18T00:22:49.995663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf96804cb0fe3f4a768bb6bc9f64f5a5e54ca96136494ccbb9ee41a523af8da

Aliases

arxiv: 1802.07559 · arxiv_version: 1802.07559v1 · doi: 10.48550/arxiv.1802.07559 · pith_short_12: HP4WQBGLB7R7 · pith_short_16: HP4WQBGLB7R7JJ3I · pith_short_8: HP4WQBGL

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/HP4WQBGLB7R7JJ3IXNV4T5SPLJ \
  | 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: 3bf96804cb0fe3f4a768bb6bc9f64f5a5e54ca96136494ccbb9ee41a523af8da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31c70bb1935f474b21de5b0b0d1e69830bfc8f5526fe5ad4d2d9e73c458d4589",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-02-21T13:23:36Z",
    "title_canon_sha256": "9b9835fef48f540079cb0013d9cd7bc21c144daddeedea8a2cf6d6e39e7562e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07559",
    "kind": "arxiv",
    "version": 1
  }
}