Pith Number

pith:EDD7YNBS

pith:2018:EDD7YNBSH6ZLMV3Z4RKUIC4RML

not attested not anchored not stored refs pending

Minimal Integrity Bases of Invariants of Second Order Tensors in a Flat Riemannian Space

Liqun Qi, Zhenghai Huang

arxiv:1805.01701 v1 · 2018-05-04 · 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{EDD7YNBSH6ZLMV3Z4RKUIC4RML}

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	2026-05-18T00:16:47.012283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c7fc34323fb2b65779e455440b9162f4325e29e16df5f86d515852899e5c8e

Aliases

arxiv: 1805.01701 · arxiv_version: 1805.01701v1 · doi: 10.48550/arxiv.1805.01701 · pith_short_12: EDD7YNBSH6ZL · pith_short_16: EDD7YNBSH6ZLMV3Z · pith_short_8: EDD7YNBS

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/EDD7YNBSH6ZLMV3Z4RKUIC4RML \
  | 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: 20c7fc34323fb2b65779e455440b9162f4325e29e16df5f86d515852899e5c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b97ebd4342b6d45af30e12449eba2b48840cc6ac3a89db2c798f0dc52ae2982",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-05-04T10:34:02Z",
    "title_canon_sha256": "a4e8f7533a026d37fb3f31ad2fdfc3cf272b1fd4a9251a2678040759cf5a43b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01701",
    "kind": "arxiv",
    "version": 1
  }
}