Pith Number

pith:VAVWHMNC

pith:2013:VAVWHMNC462T23FWNSOR47E2LZ

not attested not anchored not stored refs pending

The sub-stellar birth rate from UKIDSS

A. C. Day-Jones, B. Burningham, D. J. Pinfield, F. Marocco, H. R. A. Jones, J. Gallardo, J. Gomes, J. R. A. Clarke, J. S. Jenkins, M. T. Ruiz, N. Deacon, P. W. L. Lucas, S. L. Folkes, Z. H. Zhang

arxiv:1301.4996 v1 · 2013-01-21 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAVWHMNC462T23FWNSOR47E2LZ}

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	2026-05-18T01:52:04.949857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a82b63b1a2e7b53d6cb66c9d1e7c9a5e724fd89aa8c67be24f835699ab936f43

Aliases

arxiv: 1301.4996 · arxiv_version: 1301.4996v1 · doi: 10.48550/arxiv.1301.4996 · pith_short_12: VAVWHMNC462T · pith_short_16: VAVWHMNC462T23FW · pith_short_8: VAVWHMNC

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/VAVWHMNC462T23FWNSOR47E2LZ \
  | 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: a82b63b1a2e7b53d6cb66c9d1e7c9a5e724fd89aa8c67be24f835699ab936f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f834a0eddbb0a8d976f8857f7c9aec6797c2b880b224469a4cc51eeac2daff0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-21T21:00:06Z",
    "title_canon_sha256": "06131524b6864155b9b79066d92561643819fa98cd904eda1090517639441f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4996",
    "kind": "arxiv",
    "version": 1
  }
}