Pith Number

pith:I2X55XSV

pith:2012:I2X55XSVRPCILXZYYCKPCF7XCL

not attested not anchored not stored refs pending

WD0837+185:the formation and evolution of an extreme mass ratio white dwarf-brown dwarf binary in Praesepe

G. A. Wynn, K. A. Lawrie, M. R. Burleigh, P. D. Dobbie, R. D. Alexander, R. F. Jameson, R. Napiwotzki, S. L. Casewell, S. T. Hodgkin

arxiv:1210.0446 v2 · 2012-10-01 · 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{I2X55XSVRPCILXZYYCKPCF7XCL}

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	2026-05-18T01:54:12.009989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46afdede558bc485df38c094f117f712f4a7c724b4b4a5f5e8842f031f008264

Aliases

arxiv: 1210.0446 · arxiv_version: 1210.0446v2 · doi: 10.48550/arxiv.1210.0446 · pith_short_12: I2X55XSVRPCI · pith_short_16: I2X55XSVRPCILXZY · pith_short_8: I2X55XSV

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/I2X55XSVRPCILXZYYCKPCF7XCL \
  | 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: 46afdede558bc485df38c094f117f712f4a7c724b4b4a5f5e8842f031f008264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "980620547d375ca109ac68a0863df61af2c736be00934b435e67c54878f8f69d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-01T15:49:17Z",
    "title_canon_sha256": "e96f403307aa7e814b14a0b4b1d3f7f011828fa5488e4f95d304f353fdd529ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0446",
    "kind": "arxiv",
    "version": 2
  }
}