Pith Number

pith:A4JPKA5O

pith:2018:A4JPKA5OZBYXO3BUSDUPAQIQ2U

not attested not anchored not stored refs pending

2MASS J06562998+3002455: Not a Cool White Dwarf Candidate, but a Population II Halo Star

C. de la Fuente Marcos, R. de la Fuente Marcos

arxiv:1806.00049 v1 · 2018-05-31 · astro-ph.GA · 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{A4JPKA5OZBYXO3BUSDUPAQIQ2U}

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	2026-05-18T00:14:13.396402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0712f503aec871776c3490e8f04110d531e376813c35d7f1a12414758b8d1004

Aliases

arxiv: 1806.00049 · arxiv_version: 1806.00049v1 · doi: 10.48550/arxiv.1806.00049 · pith_short_12: A4JPKA5OZBYX · pith_short_16: A4JPKA5OZBYXO3BU · pith_short_8: A4JPKA5O

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/A4JPKA5OZBYXO3BUSDUPAQIQ2U \
  | 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: 0712f503aec871776c3490e8f04110d531e376813c35d7f1a12414758b8d1004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4082619ab27aed0805980aafaccb90c341061e0e2001457c3ef867c06c4670f4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-31T18:51:29Z",
    "title_canon_sha256": "52c652af8d92955e8ab86bb234c6ccd581daaae5693e2e079899b385f5abbecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00049",
    "kind": "arxiv",
    "version": 1
  }
}