Pith Number

pith:A3NNQKWV

pith:2017:A3NNQKWV4NDUEV3DGEVRH2SDHC

not attested not anchored not stored refs pending

A variant of Horn's problem and derivative principle

Hua Xiang, Lin Zhang

arxiv:1707.07264 v4 · 2017-07-23 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3NNQKWV4NDUEV3DGEVRH2SDHC}

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	2026-07-05T00:05:43.883337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06dad82ad5e347425763312b13ea43389210dac22ec3e93756e16a46c2e63dfe

Aliases

arxiv: 1707.07264 · arxiv_version: 1707.07264v4 · doi: 10.48550/arxiv.1707.07264 · pith_short_12: A3NNQKWV4NDU · pith_short_16: A3NNQKWV4NDUEV3D · pith_short_8: A3NNQKWV

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/A3NNQKWV4NDUEV3DGEVRH2SDHC \
  | 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: 06dad82ad5e347425763312b13ea43389210dac22ec3e93756e16a46c2e63dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c15e595eb408badf7041f82a85ae3042e877e83d4cd7bfd6b2b6194666d166",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-07-23T08:09:05Z",
    "title_canon_sha256": "612601f1ffbdf528446cf7e18795ea898ddb61cdce3e2335dbc0151d9eb00923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07264",
    "kind": "arxiv",
    "version": 4
  }
}