Pith Number

pith:CD2UXAAM

pith:2011:CD2UXAAMMHYIHDZ2HVQJLJNPZB

not attested not anchored not stored refs pending

A WISE Observation of a coolest brown dwarf, CFBDSIR 1458+1013

Amy Mainzer, Chris Gelino, Davy Kirkpatrick, Edward L. Wright (UCLA)

arxiv:1104.2569 v1 · 2011-04-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CD2UXAAMMHYIHDZ2HVQJLJNPZB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:24:34.619050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f54b800c61f0838f3a3d6095a5afc87e3731ce2ce4a6d0d1f81d222166d281

Aliases

arxiv: 1104.2569 · arxiv_version: 1104.2569v1 · doi: 10.48550/arxiv.1104.2569 · pith_short_12: CD2UXAAMMHYI · pith_short_16: CD2UXAAMMHYIHDZ2 · pith_short_8: CD2UXAAM

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/CD2UXAAMMHYIHDZ2HVQJLJNPZB \
  | 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: 10f54b800c61f0838f3a3d6095a5afc87e3731ce2ce4a6d0d1f81d222166d281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79392319598e9b48e85a0cdef6d84912e6368d7077504169f0002a6530d4ff07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-13T18:16:03Z",
    "title_canon_sha256": "c909c32bf679de9deb4608ae2a65c8fd496a916d7559f947a45231dd0bfe27e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2569",
    "kind": "arxiv",
    "version": 1
  }
}