Pith Number

pith:QBXIUUIC

pith:2018:QBXIUUICPMDWAA5X6DK6F6FYRO

not attested not anchored not stored refs pending

Characterization theorems for the spaces of derivations of evolution algebras associated to graphs

Mary Luz Rodi\~no Montoya, Pablo M. Rodriguez, Paula Cadavid

arxiv:1807.02493 v2 · 2018-07-06 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBXIUUICPMDWAA5X6DK6F6FYRO}

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	2026-05-18T00:01:38.079220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806e8a51027b076003b7f0d5e2f8b88bad8df7cea7b9c0f552e8ff107ab7e98f

Aliases

arxiv: 1807.02493 · arxiv_version: 1807.02493v2 · doi: 10.48550/arxiv.1807.02493 · pith_short_12: QBXIUUICPMDW · pith_short_16: QBXIUUICPMDWAA5X · pith_short_8: QBXIUUIC

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/QBXIUUICPMDWAA5X6DK6F6FYRO \
  | 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: 806e8a51027b076003b7f0d5e2f8b88bad8df7cea7b9c0f552e8ff107ab7e98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7199f9f64bdcefef619e76c27f929b026343498c4e7d71ca1164ab359cfb2782",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-07-06T17:06:07Z",
    "title_canon_sha256": "741408dc51d1520726516e7137dba449082148794b2510a33048a611666eecd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02493",
    "kind": "arxiv",
    "version": 2
  }
}