Pith Number

pith:6AMHD7W7

pith:2014:6AMHD7W7CAZCTIMRYD3RYUARRY

not attested not anchored not stored refs pending

The extremely red L dwarf ULAS J222711$-$004547 - dominated by dust

A. C. Day-Jones, B. Burningham, D. J. Pinfield, F. Marocco, H. R. A. Jones, J. I. Gomes, L. Smith, P. W. Lucas, R. L. Smart, R. Raddi, Z. H. Zhang

arxiv:1401.0420 v1 · 2014-01-02 · 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{6AMHD7W7CAZCTIMRYD3RYUARRY}

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	2026-05-18T02:57:16.895917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51

Aliases

arxiv: 1401.0420 · arxiv_version: 1401.0420v1 · doi: 10.48550/arxiv.1401.0420 · pith_short_12: 6AMHD7W7CAZC · pith_short_16: 6AMHD7W7CAZCTIMR · pith_short_8: 6AMHD7W7

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/6AMHD7W7CAZCTIMRYD3RYUARRY \
  | 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: f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "693bd0f12d5ea0302ca93a2769c70dd16367666eebd21d319470be3b3765fc14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-02T11:41:47Z",
    "title_canon_sha256": "9dbe73edd03021782fbe5ae0f94e8fa8091799dc5fa64e0098f066e36534cb8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0420",
    "kind": "arxiv",
    "version": 1
  }
}