Pith Number

pith:QPYVCXQ5

pith:2018:QPYVCXQ5W4SNAVIXEGEAEC2CCI

not attested not anchored not stored refs pending

Two Irreducible Functional Bases of Isotropic Invariants of A Fourth Order Three-Dimensional Symmetric and Traceless Tensor

Liqun Qi, Wennan Zou, Yannan Chen, Zhongming Chen

arxiv:1809.05798 v2 · 2018-09-16 · 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{QPYVCXQ5W4SNAVIXEGEAEC2CCI}

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	2026-05-18T00:05:27.425724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f1515e1db724d055172188020b421219d2cc2d7b91488166d8f4d572912e9a

Aliases

arxiv: 1809.05798 · arxiv_version: 1809.05798v2 · doi: 10.48550/arxiv.1809.05798 · pith_short_12: QPYVCXQ5W4SN · pith_short_16: QPYVCXQ5W4SNAVIX · pith_short_8: QPYVCXQ5

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/QPYVCXQ5W4SNAVIXEGEAEC2CCI \
  | 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: 83f1515e1db724d055172188020b421219d2cc2d7b91488166d8f4d572912e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4351f65bade4848f088205f4a256d8c82d088754ea9b1cc6e78be0c9cc72e98",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-09-16T03:02:52Z",
    "title_canon_sha256": "686becce4843c69a3eb175bb21202b758d8e8c32b9f9f0e63a9ed24d4b66dbc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05798",
    "kind": "arxiv",
    "version": 2
  }
}