Pith Number

pith:XNBQJ7AO

pith:2011:XNBQJ7AOP2X3CWEYHJQEU2IW2N

not attested not anchored not stored refs pending

DA white dwarfs in SDSS DR7 and a search for infrared excess emission

B. T. Gaensicke, D. Koester, D. Steeghs, J. Girven

arxiv:1106.5886 v1 · 2011-06-29 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNBQJ7AOP2X3CWEYHJQEU2IW2N}

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	2026-05-18T03:49:47.535924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4304fc0e7eafb158983a604a6916d36818b87d475687dbf17bd2831af9b92c

Aliases

arxiv: 1106.5886 · arxiv_version: 1106.5886v1 · doi: 10.48550/arxiv.1106.5886 · pith_short_12: XNBQJ7AOP2X3 · pith_short_16: XNBQJ7AOP2X3CWEY · pith_short_8: XNBQJ7AO

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/XNBQJ7AOP2X3CWEYHJQEU2IW2N \
  | 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: bb4304fc0e7eafb158983a604a6916d36818b87d475687dbf17bd2831af9b92c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7faef9cd320755b943432ea37fd4466dbeeaf5226014298647357cc15f8ffa",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-29T09:23:37Z",
    "title_canon_sha256": "45a3691e0e131f51d3e88c8182fad778724ac5bbe228e2460f1b6e6f6f48da49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5886",
    "kind": "arxiv",
    "version": 1
  }
}