Pith Number

pith:Q77I4GD4

pith:2012:Q77I4GD4SMEEHCMZCISGHAXHJA

not attested not anchored not stored refs pending

Asteroseismology and Magnetic Cycles

A. R. G. Santos, J. J. G. Lima, M. S. Cunha

arxiv:1211.6008 v1 · 2012-11-26 · 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{Q77I4GD4SMEEHCMZCISGHAXHJA}

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	2026-05-18T01:52:54.957523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87fe8e187c930843899912246382e7482e57c6a47495b9e70116b156d3f59f20

Aliases

arxiv: 1211.6008 · arxiv_version: 1211.6008v1 · doi: 10.48550/arxiv.1211.6008 · pith_short_12: Q77I4GD4SMEE · pith_short_16: Q77I4GD4SMEEHCMZ · pith_short_8: Q77I4GD4

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/Q77I4GD4SMEEHCMZCISGHAXHJA \
  | 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: 87fe8e187c930843899912246382e7482e57c6a47495b9e70116b156d3f59f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b611850bb9940d1d312d15b71fd828183390b7933fe058c30c9e84eed7a0e38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-26T16:14:07Z",
    "title_canon_sha256": "769568e9b1fb501c3fe5c4506b5ec502475d0d1fb0b33051356f0a0b3dd96dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6008",
    "kind": "arxiv",
    "version": 1
  }
}