Pith Number

pith:FPK2TO22

pith:2011:FPK2TO22GZ7N2OP57XK53VTDDN

not attested not anchored not stored refs pending

Hot White Dwarfs

Edward M. Sion

arxiv:1111.6652 v1 · 2011-11-29 · 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{FPK2TO22GZ7N2OP57XK53VTDDN}

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	2026-05-18T04:07:28.839420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd5a9bb5a367edd39fdfdd5ddd6631b74bc2e8bf521a7500e908268b3124700

Aliases

arxiv: 1111.6652 · arxiv_version: 1111.6652v1 · doi: 10.48550/arxiv.1111.6652 · pith_short_12: FPK2TO22GZ7N · pith_short_16: FPK2TO22GZ7N2OP5 · pith_short_8: FPK2TO22

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/FPK2TO22GZ7N2OP57XK53VTDDN \
  | 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: 2bd5a9bb5a367edd39fdfdd5ddd6631b74bc2e8bf521a7500e908268b3124700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778d65e8d945dcd2b5edac5cb300d3bb11c73a9537b5f6bd7eff421b687a39e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-29T00:09:07Z",
    "title_canon_sha256": "1d736ce065d6b35a6004edc9134dd4417f1628b3ca9d9dfe6cdeb4a346ae7000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6652",
    "kind": "arxiv",
    "version": 1
  }
}