Pith Number

pith:SOINDHFA

pith:2013:SOINDHFA26FMLGPKJFTI7QRQXK

not attested not anchored not stored refs pending

A New Timescale for Period Change in the Pulsating DA White Dwarf WD 0111+0018

A. Bischoff-Kim, D. E. Winget, Fergal Mullally, J. J. Hermes, M. H. Montgomery

arxiv:1302.1875 v1 · 2013-02-07 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOINDHFA26FMLGPKJFTI7QRQXK}

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	2026-05-18T01:51:43.726839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9390d19ca0d78ac599ea49668fc230ba9f8fa291a7faa56729d94555b069f970

Aliases

arxiv: 1302.1875 · arxiv_version: 1302.1875v1 · doi: 10.48550/arxiv.1302.1875 · pith_short_12: SOINDHFA26FM · pith_short_16: SOINDHFA26FMLGPK · pith_short_8: SOINDHFA

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/SOINDHFA26FMLGPKJFTI7QRQXK \
  | 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: 9390d19ca0d78ac599ea49668fc230ba9f8fa291a7faa56729d94555b069f970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7303ec4cffc2cb245d27413993624f1948f1b98a37cf7d51337d40e9e14e55fb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-07T21:00:05Z",
    "title_canon_sha256": "fd6ac0391b87fcd1c3eedf470d63752b50236bcaafde797397ccbb1e7605eef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1875",
    "kind": "arxiv",
    "version": 1
  }
}