Pith Number

pith:4EZLNLF3

pith:2015:4EZLNLF323TXU5AND6HYQEUI5I

not attested not anchored not stored refs pending

First images of debris disks around TWA 7, TWA 25, HD 35650, and HD 377

Abhijith Rajan, Christine H. Chen, Christopher C. Stark, David A. Golimowski, Dean C. Hines, Elena Gofas-Salas, \'Elodie Choquet, Glenn Schneider, James B. Hagan, Jean-Charles Augereau, Johan Mazoyer, John Debes, Kevin Hsiao, Laurent Pueyo, Mamadou N'Diaye, Marshall D. Perrin, R\'emi Soummer, Schuyler Wolff

arxiv:1512.02220 v1 · 2015-12-07 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EZLNLF323TXU5AND6HYQEUI5I}

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	2026-05-18T01:21:51.137733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e132b6acbbd6e77a740d1f8f881288ea07bb7a291df96a02d732c8a5bcfe5119

Aliases

arxiv: 1512.02220 · arxiv_version: 1512.02220v1 · doi: 10.48550/arxiv.1512.02220 · pith_short_12: 4EZLNLF323TX · pith_short_16: 4EZLNLF323TXU5AN · pith_short_8: 4EZLNLF3

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/4EZLNLF323TXU5AND6HYQEUI5I \
  | 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: e132b6acbbd6e77a740d1f8f881288ea07bb7a291df96a02d732c8a5bcfe5119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d3bf323aecaca3cbbaa77d8b685a3d4bdea62cec7a4b58dd3cb50754cc0c03",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-07T21:00:01Z",
    "title_canon_sha256": "721f5dfe321f1798ddbf950d14fbdfa769301e2967158b4b7b689813833675de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02220",
    "kind": "arxiv",
    "version": 1
  }
}