Pith Number

pith:3VD6AQGL

pith:2011:3VD6AQGL2MNYTLEICQC3VMFOJ5

not attested not anchored not stored refs pending

White dwarfs in the UKIDSS Large Area Survey: The Substellar Companion Fraction

M.A. Barstow, M.R. Burleigh, P.D. Dobbie, P.R. Steele, R.F. Jameson, R.P. Satterthwaite

arxiv:1106.5893 v1 · 2011-06-29 · 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{3VD6AQGL2MNYTLEICQC3VMFOJ5}

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	2026-05-18T02:01:27.089926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd47e040cbd31b89ac881405bab0ae4f665468c6efd99f10c72b021b1e491fab

Aliases

arxiv: 1106.5893 · arxiv_version: 1106.5893v1 · doi: 10.48550/arxiv.1106.5893 · pith_short_12: 3VD6AQGL2MNY · pith_short_16: 3VD6AQGL2MNYTLEI · pith_short_8: 3VD6AQGL

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/3VD6AQGL2MNYTLEICQC3VMFOJ5 \
  | 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: dd47e040cbd31b89ac881405bab0ae4f665468c6efd99f10c72b021b1e491fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20f6e6df0be4a230bb94f752a05e6ebcdacd4dca6ab0474d5ca044af17e1c240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-29T10:02:42Z",
    "title_canon_sha256": "ea57afec0df13230a4ca594e623fdfb0bec836d5d6e48bdb63e47c5d730f1713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5893",
    "kind": "arxiv",
    "version": 1
  }
}