Pith Number

pith:KZEP53RC

pith:2020:KZEP53RCUP62I6XEOLEHFO46UU

not attested not anchored not stored refs pending

Linear and Riccati equations in generating functions for stellar models in general relativity

B.V. Ivanov

arxiv:2004.00907 v1 · 2020-04-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZEP53RCUP62I6XEOLEHFO46UU}

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	2026-07-05T00:59:14.764977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5648feee22a3fda47ae472c872bb9ea522ca82324550a26dbe87985a92a3614b

Aliases

arxiv: 2004.00907 · arxiv_version: 2004.00907v1 · doi: 10.48550/arxiv.2004.00907 · pith_short_12: KZEP53RCUP62 · pith_short_16: KZEP53RCUP62I6XE · pith_short_8: KZEP53RC

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/KZEP53RCUP62I6XEOLEHFO46UU \
  | 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: 5648feee22a3fda47ae472c872bb9ea522ca82324550a26dbe87985a92a3614b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa9c7242372f1da80122a5558c66835aa359c4c4ed8a42f88da9fcf90f6f6cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-02T09:53:48Z",
    "title_canon_sha256": "0eb8628d74fb87f000f0abfc9783dbd27b0feef08b823274703bc93bf638052c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00907",
    "kind": "arxiv",
    "version": 1
  }
}