Pith Number

pith:3FZVMXO2

pith:2007:3FZVMXO2YDTZC26DZCGXSDQ4AE

not attested not anchored not stored refs pending

Multiplicity Among Young Brown Dwarfs and Very Low Mass Stars

Alexander Scholz, Alexis Brandeker, Dirk Froebrich, Eduardo Delgado-Donate, Marten H. van Kerkwijk, Mirza Ahmic, Ray Jayawardhana

arxiv:0708.3851 v1 · 2007-08-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FZVMXO2YDTZC26DZCGXSDQ4AE}

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	2026-05-18T04:30:04.079653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d973565ddac0e7916bc3c88d790e1c011c6a5f29215a37867fca3038c36c92c7

Aliases

arxiv: 0708.3851 · arxiv_version: 0708.3851v1 · doi: 10.48550/arxiv.0708.3851 · pith_short_12: 3FZVMXO2YDTZ · pith_short_16: 3FZVMXO2YDTZC26D · pith_short_8: 3FZVMXO2

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/3FZVMXO2YDTZC26DZCGXSDQ4AE \
  | 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: d973565ddac0e7916bc3c88d790e1c011c6a5f29215a37867fca3038c36c92c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7885ea2179383b83c329e3b5944fc428ea178a194bc40fd6f784869b6231a61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-28T20:07:34Z",
    "title_canon_sha256": "35a2499b1ceb6b9ed5039f1ded7001043d7359bcd3c9647cb2a38fb5037152ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3851",
    "kind": "arxiv",
    "version": 1
  }
}