Pith Number

pith:FMRLVBI2

pith:2012:FMRLVBI23VXAOOHXRFXGEQXKXQ

not attested not anchored not stored refs pending

The Properties of the 500 K Dwarf UGPS J072227.51-054031.2, and a Study of the Far-Red Flux of Cold Brown Dwarfs

A. Day-Jones, Ben Burningham, B. Fegley, C. G. Tinney, D. Homeier, D. J. Pinfield, D. Saumon, F. Allard, F. Marocco, H. R. A. Jones, J. Canty, K. Lodders, Miki Ishii, M. S. Marley, M. Tamura, P. Lucas, R. L. Smart, S. K. Leggett

arxiv:1201.2973 v1 · 2012-01-14 · 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{FMRLVBI23VXAOOHXRFXGEQXKXQ}

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	2026-05-18T01:58:49.333491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b22ba851add6e0738f7896e6242eabc2e03a0a83291aed76db4830a4574ee28

Aliases

arxiv: 1201.2973 · arxiv_version: 1201.2973v1 · doi: 10.48550/arxiv.1201.2973 · pith_short_12: FMRLVBI23VXA · pith_short_16: FMRLVBI23VXAOOHX · pith_short_8: FMRLVBI2

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/FMRLVBI23VXAOOHXRFXGEQXKXQ \
  | 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: 2b22ba851add6e0738f7896e6242eabc2e03a0a83291aed76db4830a4574ee28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ddbe80ec2e4bf89fdbb397fc63091ccfcdf4b19544685a8e4e85289b8defa65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-14T00:34:22Z",
    "title_canon_sha256": "8988a1e67be8ecd66b58941cd12f5916352292cf3215683608feffd17605590a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2973",
    "kind": "arxiv",
    "version": 1
  }
}