Pith Number

pith:2Y7CYAR3

pith:2020:2Y7CYAR3SXVPJZABAF4KGDUIDY

not attested not anchored not stored refs pending

The local vertical density distribution of ultracool dwarfs M7 to L2.5 and their luminosity function

Richard Laithwaite, Saad Ahmed, Stephen Warren

arxiv:2010.11093 v2 · 2020-10-19 · astro-ph.GA · 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{2Y7CYAR3SXVPJZABAF4KGDUIDY}

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.

Cited by

1 paper in Pith

Assessing Ultra-Cool Dwarf Contamination in Photometrically Selected High-Redshift Galaxy Samples

Receipt and verification

First computed	2026-07-05T02:46:10.589194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63e2c023b95eaf4e4010178a30e881e1a71fc09dd0f926963fc6855dcb4626c

Aliases

arxiv: 2010.11093 · arxiv_version: 2010.11093v2 · doi: 10.48550/arxiv.2010.11093 · pith_short_12: 2Y7CYAR3SXVP · pith_short_16: 2Y7CYAR3SXVPJZAB · pith_short_8: 2Y7CYAR3

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/2Y7CYAR3SXVPJZABAF4KGDUIDY \
  | 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: d63e2c023b95eaf4e4010178a30e881e1a71fc09dd0f926963fc6855dcb4626c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3401249f0e6b300e77a7ded7a2207249e70f25432017084edba5f4295c322b35",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-10-19T05:47:28Z",
    "title_canon_sha256": "1d181af41c79ed0722fedaea22c3c7ef6acb15d59fa9054611ec615dd21b34a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.11093",
    "kind": "arxiv",
    "version": 2
  }
}