Pith Number

pith:QVR5NLNH

pith:2011:QVR5NLNH6DCX5UVD3FT2GNHYCH

not attested not anchored not stored refs pending

The ELM Survey. III. A Successful Targeted Survey for Extremely Low Mass White Dwarfs

(2) OU, (3) IAC), Carlos Allende Prieto (3), Mukremin Kilic (2), Scott J. Kenyon (1) ((1) SAO, Warren R. Brown (1)

arxiv:1111.6588 v1 · 2011-11-28 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVR5NLNH6DCX5UVD3FT2GNHYCH}

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	2026-05-18T01:59:22.726453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8563d6ada7f0c57ed2a3d967a334f811d8f8edec35c188b2392950efed5fb244

Aliases

arxiv: 1111.6588 · arxiv_version: 1111.6588v1 · doi: 10.48550/arxiv.1111.6588 · pith_short_12: QVR5NLNH6DCX · pith_short_16: QVR5NLNH6DCX5UVD · pith_short_8: QVR5NLNH

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/QVR5NLNH6DCX5UVD3FT2GNHYCH \
  | 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: 8563d6ada7f0c57ed2a3d967a334f811d8f8edec35c188b2392950efed5fb244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546f84e46c94c007147e7c7f8c134aa873042dcb2e57fb69eeff63416155be2b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-28T21:00:02Z",
    "title_canon_sha256": "2271b9eea1a69b585980027277dd5e396bf8ecd7a9304771e489d006f31fb572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6588",
    "kind": "arxiv",
    "version": 1
  }
}