Pith Number

pith:FDVEIYIX

pith:2011:FDVEIYIXQTI3CYTSJPWKRHSE3V

not attested not anchored not stored refs pending

Brown Dwarf Companions to White Dwarfs

B.T. G\"ansicke, J. Farihi, M.A. Barstow, M.R. Burleigh, P.D. Dobbie, P.F.L. Maxted, P.R. Steele, R.F. Jameson, R. Napiwotzki, S.L. Casewell, T.R. Marsh

arxiv:1102.0505 v1 · 2011-02-02 · astro-ph.EP · 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{FDVEIYIXQTI3CYTSJPWKRHSE3V}

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	2026-05-18T04:25:10.830948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ea44611784d1b162724beca89e44dd679e7188f195e548e1c6199f5c3ccab2

Aliases

arxiv: 1102.0505 · arxiv_version: 1102.0505v1 · doi: 10.48550/arxiv.1102.0505 · pith_short_12: FDVEIYIXQTI3 · pith_short_16: FDVEIYIXQTI3CYTS · pith_short_8: FDVEIYIX

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/FDVEIYIXQTI3CYTSJPWKRHSE3V \
  | 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: 28ea44611784d1b162724beca89e44dd679e7188f195e548e1c6199f5c3ccab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96570432c3e438fa774f33e617c2a470e16a19a285f09d263396f621b84627bd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-02T17:32:06Z",
    "title_canon_sha256": "e6c2a50fbf3092072dfec47fb65073c3993033fb90e935110b290748db383c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0505",
    "kind": "arxiv",
    "version": 1
  }
}