Pith Number

pith:OOHISOSI

pith:2022:OOHISOSIFO5YBS3ODVVD3LX3LP

not attested not anchored not stored refs pending

Finding magnetic north: an extraordinary magnetic field detection in Polaris and first results of a magnetic survey of classical Cepheids

Colin P. Folsom, Gregg A. Wade, Hilding. R. Neilson, James A. Barron, Nancy R. Evans

arxiv:2204.03517 v1 · 2022-04-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOHISOSIFO5YBS3ODVVD3LX3LP}

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	2026-07-05T04:13:56.616113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738e893a482bbb80cb6e1d6a3daefb5bc6fa029c4279005203eebc7b892cbaea

Aliases

arxiv: 2204.03517 · arxiv_version: 2204.03517v1 · doi: 10.48550/arxiv.2204.03517 · pith_short_12: OOHISOSIFO5Y · pith_short_16: OOHISOSIFO5YBS3O · pith_short_8: OOHISOSI

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/OOHISOSIFO5YBS3ODVVD3LX3LP \
  | 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: 738e893a482bbb80cb6e1d6a3daefb5bc6fa029c4279005203eebc7b892cbaea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71380918872f04f271afdd583f807c051f35880717b46013279ee6bf66beede2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-07T15:35:20Z",
    "title_canon_sha256": "d87f1a8c0bd03600c084cdd5b530c25a3aff3d9d5cdde1f4e47a17af8410f5c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03517",
    "kind": "arxiv",
    "version": 1
  }
}