Pith Number

pith:CY2J6TGF

pith:2015:CY2J6TGF47AZE5S7S6WCKCQFAV

not attested not anchored not stored refs pending

On The Evolution of Magnetic White Dwarfs

B. Freytag, G. Fontaine, H.-G. Ludwig, M. Steffen, O. Steiner, P. Brassard, P.-E. Tremblay, S. Wedemeyer

arxiv:1509.05398 v1 · 2015-09-17 · 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{CY2J6TGF47AZE5S7S6WCKCQFAV}

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	2026-05-18T01:30:17.625777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16349f4cc5e7c192765f97ac250a05054f544f0cd17d172bc95c63c90e89e1d3

Aliases

arxiv: 1509.05398 · arxiv_version: 1509.05398v1 · doi: 10.48550/arxiv.1509.05398 · pith_short_12: CY2J6TGF47AZ · pith_short_16: CY2J6TGF47AZE5S7 · pith_short_8: CY2J6TGF

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/CY2J6TGF47AZE5S7S6WCKCQFAV \
  | 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: 16349f4cc5e7c192765f97ac250a05054f544f0cd17d172bc95c63c90e89e1d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "394455a045a39e279f2ede7299874df3ac254eb680929cf552f9f36002a98853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-17T19:57:54Z",
    "title_canon_sha256": "41fb41d13cb35e5b57c2ff986159db4790eda752615b87b8c9407b58dd86570d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05398",
    "kind": "arxiv",
    "version": 1
  }
}