Pith Number

pith:YGEEXSNZ

pith:2010:YGEEXSNZT7BM4QVGUNIRUUO6J6

not attested not anchored not stored refs pending

White dwarfs with hydrogen-deficient atmospheres and the dark matter content of the Galaxy

E. Garcia-Berro, J. Camacho, J. Isern, S. Torres

arxiv:1001.1618 v1 · 2010-01-11 · 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{YGEEXSNZT7BM4QVGUNIRUUO6J6}

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	2026-05-18T02:10:03.171419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1884bc9b99fc2ce42a6a3511a51de4f8f1c954871565e317205a7cfc2455a6d

Aliases

arxiv: 1001.1618 · arxiv_version: 1001.1618v1 · doi: 10.48550/arxiv.1001.1618 · pith_short_12: YGEEXSNZT7BM · pith_short_16: YGEEXSNZT7BM4QVG · pith_short_8: YGEEXSNZ

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/YGEEXSNZT7BM4QVGUNIRUUO6J6 \
  | 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: c1884bc9b99fc2ce42a6a3511a51de4f8f1c954871565e317205a7cfc2455a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5380114b041707c1f2e333cdd050b272f56b61c08c29ab49230232d0cf50a81b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-11T10:12:38Z",
    "title_canon_sha256": "9007f2407df7cc85beef88638a2092809c85d3cf87f28acc5b4041c71dccd54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1618",
    "kind": "arxiv",
    "version": 1
  }
}