Pith Number

pith:DO3CLBFG

pith:2011:DO3CLBFG63OUN4DGRTXED66HDK

not attested not anchored not stored refs pending

Discovery of a Bright, Extremely Low-Mass White Dwarf in a Close Double Degenerate System

A. Kawka, A. Pigulski, J.N. Skinner, J.R. Thorstensen, M. Steslicki, P. Nemeth, P. Srodka, S. Vennes, Z. Kolaczkowski

arxiv:1108.0335 v1 · 2011-08-01 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DO3CLBFG63OUN4DGRTXED66HDK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:16:31.263410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb62584a6f6dd46f0668cee41fbc71a841ade42bf00ba22b514a40859e1437a

Aliases

arxiv: 1108.0335 · arxiv_version: 1108.0335v1 · doi: 10.48550/arxiv.1108.0335 · pith_short_12: DO3CLBFG63OU · pith_short_16: DO3CLBFG63OUN4DG · pith_short_8: DO3CLBFG

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/DO3CLBFG63OUN4DGRTXED66HDK \
  | 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: 1bb62584a6f6dd46f0668cee41fbc71a841ade42bf00ba22b514a40859e1437a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a33d618be83f0bdaef0e8dd014f38af1117e8691d5249f47e0d77b9c771b9ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-01T15:12:48Z",
    "title_canon_sha256": "ad226e3c9b50b7055c30486a5b48286cc02614db3a911083b32ebc63bcd2f581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0335",
    "kind": "arxiv",
    "version": 1
  }
}