Pith Number

pith:TMC5UOED

pith:2019:TMC5UOEDXOPY73NNXYZBRN2I2L

not attested not anchored not stored refs pending

Curvature properties of Melvin magnetic metric

Absos Ali Shaikh, Akram Ali, Ali H. Alkhaldi, Dhyanesh Chakraborty

arxiv:1908.07859 v1 · 2019-08-20 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMC5UOEDXOPY73NNXYZBRN2I2L}

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	2026-07-05T00:41:35.698602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b05da3883bb9f8fedadbe3218b748d2d80f3e1c03ddb41f5ef6df9cac8dfadd

Aliases

arxiv: 1908.07859 · arxiv_version: 1908.07859v1 · doi: 10.48550/arxiv.1908.07859 · pith_short_12: TMC5UOEDXOPY · pith_short_16: TMC5UOEDXOPY73NN · pith_short_8: TMC5UOED

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/TMC5UOEDXOPY73NNXYZBRN2I2L \
  | 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: 9b05da3883bb9f8fedadbe3218b748d2d80f3e1c03ddb41f5ef6df9cac8dfadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91fa2b3d38a9163f21c8a3a3f49ed227d6e2cead3bae49b3ee72248248590733",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-20T10:44:42Z",
    "title_canon_sha256": "e9487a7b534e82f2e799ceccfffc0535bda10e78330af1d0c97b6407d8622cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07859",
    "kind": "arxiv",
    "version": 1
  }
}