Pith Number

pith:HDAJP4DB

pith:2018:HDAJP4DBJUKFHEKJIFDQ2MQA5U

not attested not anchored not stored refs pending

Cloud Atlas: Rotational Modulations in the L/T Transition Brown Dwarf Companion HN Peg B

Adam J. Burgasser, Ben W. P. Lew, D\'aniel Apai, Elena Manjavacas, Glenn Schneider, Jacqueline Radigan, Luigi R. Bedin, Mark S. Marley, Nicolas B. Cowan, Patrick J. Lowrance, Paulo A. Miles-P\'aez, Stanimir Metchev, Theodora Karalidi, Yifan Zhou

arxiv:1801.09757 v2 · 2018-01-29 · 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{HDAJP4DBJUKFHEKJIFDQ2MQA5U}

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	2026-05-18T00:21:06.324567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c097f0614d1453914941470d3200ed3a09dcd083a2889bafa38fb3d0d4b120

Aliases

arxiv: 1801.09757 · arxiv_version: 1801.09757v2 · doi: 10.48550/arxiv.1801.09757 · pith_short_12: HDAJP4DBJUKF · pith_short_16: HDAJP4DBJUKFHEKJ · pith_short_8: HDAJP4DB

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/HDAJP4DBJUKFHEKJIFDQ2MQA5U \
  | 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: 38c097f0614d1453914941470d3200ed3a09dcd083a2889bafa38fb3d0d4b120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d2d1ee6210ea3b047bcbcb6d57156c5c9aa9e1383c78dfe78546e83718ce50",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-29T20:59:09Z",
    "title_canon_sha256": "8d9410b5f1df978d1048451feb9552d8d599ca359a113f0ca4c16c469d1e0603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09757",
    "kind": "arxiv",
    "version": 2
  }
}