Pith Number

pith:6IM2V4YW

pith:2012:6IM2V4YWAGZUPD4TCKRMDRMZZN

not attested not anchored not stored refs pending

Discovery of Two Very Wide Binaries with Ultracool Companions and a New Brown Dwarf at the L/T Transition

Alejandro Nunez, Amy Tyndall, David Jones, Henri M. J. Boffin, Jacqueline K. Faherty, Jacqueline Radigan, Jura Borissova, Kelle Cruz, Koraljka Muzic, Olivier Hainaut, Radostin G. Kurtev, Ray Jayawardhana, Stanimir Metchev, Valentin D. Ivanov

arxiv:1205.0818 v2 · 2012-05-03 · astro-ph.GA · 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{6IM2V4YWAGZUPD4TCKRMDRMZZN}

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	2026-05-18T01:57:38.234282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f219aaf31601b3478f9312a2c1c599cb6d87f1a71d628180984f37be2c6e899a

Aliases

arxiv: 1205.0818 · arxiv_version: 1205.0818v2 · doi: 10.48550/arxiv.1205.0818 · pith_short_12: 6IM2V4YWAGZU · pith_short_16: 6IM2V4YWAGZUPD4T · pith_short_8: 6IM2V4YW

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/6IM2V4YWAGZUPD4TCKRMDRMZZN \
  | 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: f219aaf31601b3478f9312a2c1c599cb6d87f1a71d628180984f37be2c6e899a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef2ed6677e1d8dac3f9a51e68d0a32aaf750240e976d229c7f75945d2bd8a36",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-03T20:29:04Z",
    "title_canon_sha256": "72857470cb462b91c79049b7b3ee5b3c13f15e5d0c83f956dfb7f5ddf132c5e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0818",
    "kind": "arxiv",
    "version": 2
  }
}