Pith Number

pith:QIRYP4DI

pith:2013:QIRYP4DICWZLL2ISNWIHRSZMRW

not attested not anchored not stored refs pending

The Coldest Brown Dwarf (Or Free Floating Planet)?: The Y Dwarf WISE 1828+2650

Charles A. Beichman, Christopher R. Gelino, E.L. Wright, J. Davy Kirkpatrick, Kenneth A. Marsh, Michael C. Cushing, Travis S. Barman

arxiv:1301.1669 v1 · 2013-01-08 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIRYP4DICWZLL2ISNWIHRSZMRW}

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	2026-05-18T01:52:14.905147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822387f06815b2b5e9126d9078cb2c8d8a7bdbb82f2152d52bb3df17e75c0961

Aliases

arxiv: 1301.1669 · arxiv_version: 1301.1669v1 · doi: 10.48550/arxiv.1301.1669 · pith_short_12: QIRYP4DICWZL · pith_short_16: QIRYP4DICWZLL2IS · pith_short_8: QIRYP4DI

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/QIRYP4DICWZLL2ISNWIHRSZMRW \
  | 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: 822387f06815b2b5e9126d9078cb2c8d8a7bdbb82f2152d52bb3df17e75c0961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506acd3ed00555cad62d4a921509cd21752544ae48c6267e7877e4b9b4f99a24",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-08T20:49:01Z",
    "title_canon_sha256": "aa6fb30390289591cecfba5d76fbb48296f90f6a25379b754c32514008beb493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1669",
    "kind": "arxiv",
    "version": 1
  }
}