Pith Number

pith:272H2TL4

pith:2013:272H2TL4DMXKDJSVDGGPA2QCNS

not attested not anchored not stored refs pending

The Extremely Red, Young L Dwarf PSO J318-22: A Free-Floating Planetary-Mass Analog to Directly Imaged Young Gas-Giant Planets

Eugene A. Magnier, J. L. Tonry, J. S. Morgan, Katelyn N. Allers, K. C. Chambers, Kimberly M. Aller, K. W. Hodapp, Michael C. Kotson, Michael C. Liu, Niall R. Deacon, N. Kaiser, N. Metcalfe, P. A. Price, P. W. Draper, R. Jedicke, R. J. Wainscoat, R.-P. Kudritzki, Trent J. Dupuy, W. S. Burgett

arxiv:1310.0457 v2 · 2013-10-01 · 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{272H2TL4DMXKDJSVDGGPA2QCNS}

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	2026-05-18T01:47:16.983930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f47d4d7c1b2ea1a655198cf06a026cb68575aa92c0ebd58f3f815db96f9d01

Aliases

arxiv: 1310.0457 · arxiv_version: 1310.0457v2 · doi: 10.48550/arxiv.1310.0457 · pith_short_12: 272H2TL4DMXK · pith_short_16: 272H2TL4DMXKDJSV · pith_short_8: 272H2TL4

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/272H2TL4DMXKDJSVDGGPA2QCNS \
  | 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: d7f47d4d7c1b2ea1a655198cf06a026cb68575aa92c0ebd58f3f815db96f9d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db530f975b2ee4daaee55bf45ecf66b01f8d4eb9eaaf952a28ca015ccac5675",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-01T20:00:00Z",
    "title_canon_sha256": "3aa3bba3c03cdf2da0f76681f6d349c6ab9b8e3cbeba1ffb283a51f3a1a9dc8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0457",
    "kind": "arxiv",
    "version": 2
  }
}