Pith Number

pith:LV4PS3HQ

pith:2015:LV4PS3HQDSEVGMFL6AXH5HF3R6

not attested not anchored not stored refs pending

On the Choi-Lam analogue of Hilbert's 1888 theorem for Symmetric Forms

Bruce Reznick, Charu Goel, Salma Kuhlmann

arxiv:1505.08145 v2 · 2015-05-29 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LV4PS3HQDSEVGMFL6AXH5HF3R6}

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	2026-05-18T01:19:53.845247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d78f96cf01c895330abf02e7e9cbb8f9751c9a5a8987a61e983288ebb9f6c99

Aliases

arxiv: 1505.08145 · arxiv_version: 1505.08145v2 · doi: 10.48550/arxiv.1505.08145 · pith_short_12: LV4PS3HQDSEV · pith_short_16: LV4PS3HQDSEVGMFL · pith_short_8: LV4PS3HQ

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/LV4PS3HQDSEVGMFL6AXH5HF3R6 \
  | 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: 5d78f96cf01c895330abf02e7e9cbb8f9751c9a5a8987a61e983288ebb9f6c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c0af7d6a585514d66c9b1ae16e0ac657f215b368f2b880866448b234368b52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-29T19:00:39Z",
    "title_canon_sha256": "43f5331ec5d3d8d87e7ce60e9e1c2b052214290dcdaf92cfa0652a06d92a54c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.08145",
    "kind": "arxiv",
    "version": 2
  }
}