Pith Number

pith:JZKRYJP7

pith:2019:JZKRYJP7L673C4TANTERCLLN6G

not attested not anchored not stored refs pending

A dusty benchmark brown dwarf near the ice line of HD 72946

A.-L. Maire, F. Cantalloube, G. Chauvin, J. Hagelberg, J.-L. Baudino, J. Olofsson, M. Bonnefoy, M. Langlois, N. Godoy, O. Absil, R. Galicher, S. Desidera, S. Messina, T. Henning, W. Brandner

arxiv:1912.02565 v2 · 2019-12-05 · 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{JZKRYJP7L673C4TANTERCLLN6G}

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	2026-07-05T00:28:15.829575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e551c25ff5fbfb172606cc9112d6df1b547dd2753c7f1abe46905bff8b07eab

Aliases

arxiv: 1912.02565 · arxiv_version: 1912.02565v2 · doi: 10.48550/arxiv.1912.02565 · pith_short_12: JZKRYJP7L673 · pith_short_16: JZKRYJP7L673C4TA · pith_short_8: JZKRYJP7

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/JZKRYJP7L673C4TANTERCLLN6G \
  | 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: 4e551c25ff5fbfb172606cc9112d6df1b547dd2753c7f1abe46905bff8b07eab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36cf6a49d918707d60796e118c5ceb01d6a589df01ac7c378f166823d17156e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-12-05T13:26:50Z",
    "title_canon_sha256": "2af9119404e23921a326e7e51bf1db37c191fd61bfa9d021e4750208720169c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02565",
    "kind": "arxiv",
    "version": 2
  }
}