Pith Number

pith:PT56XFMA

pith:2006:PT56XFMA5AP7CBJ5EA7AW5ISQN

not attested not anchored not stored refs pending

HST NICMOS Imaging of the Planetary-mass Companion to the Young Brown Dwarf 2MASS J1207334-393254

B. A. Macintosh, B. Zuckerman, E. E. Becklin, G. Schneider, Inseok Song, J. Farihi, M. S. Bessell, P. Lowrance

arxiv:astro-ph/0607490 v1 · 2006-07-21 · 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{PT56XFMA5AP7CBJ5EA7AW5ISQN}

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	2026-05-18T04:28:58.296957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfbeb9580e81ff1053d203e0b75128360c2a80ff2cb3132d68cc8112c4062f4

Aliases

arxiv: astro-ph/0607490 · arxiv_version: astro-ph/0607490v1 · doi: 10.48550/arxiv.astro-ph/0607490 · pith_short_12: PT56XFMA5AP7 · pith_short_16: PT56XFMA5AP7CBJ5 · pith_short_8: PT56XFMA

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/PT56XFMA5AP7CBJ5EA7AW5ISQN \
  | 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: 7cfbeb9580e81ff1053d203e0b75128360c2a80ff2cb3132d68cc8112c4062f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c6e530006bea527f3cafac0886beccd42f57682ecc22aa8152d6e9186b98bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-21T00:50:27Z",
    "title_canon_sha256": "cc1a09959813b2fd083925318f4d0d21b2339769598ad3092dcd803aabf6afa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607490",
    "kind": "arxiv",
    "version": 1
  }
}