Pith Number

pith:46ZZWRDC

pith:2012:46ZZWRDCUSPHPTR3T5VHFFG2AN

not attested not anchored not stored refs pending

Halpha Equivalent Widths from the 3D-HST survey: evolution with redshift and dependence on stellar mass

Britt Lundgren, Elisabete da Cunha, Erica Nelson, Gabriel Brammer, Hans-Walter Rix, Ivelina Momcheva, Ivo Labbe, Kasper B. Schmidt, Katherine E. Whitaker, Marijn Franx, Mariska Kriek, Mattia Fumagalli, Pieter van Dokkum, Rosalind E. Skelton, Shannon G. Patel

arxiv:1206.2645 v2 · 2012-06-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46ZZWRDCUSPHPTR3T5VHFFG2AN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:59.274823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7b39b4462a49e77ce3b9f6a7294da0352440c7525c3e468753f6e44c95bfea6

Aliases

arxiv: 1206.2645 · arxiv_version: 1206.2645v2 · doi: 10.48550/arxiv.1206.2645 · pith_short_12: 46ZZWRDCUSPH · pith_short_16: 46ZZWRDCUSPHPTR3 · pith_short_8: 46ZZWRDC

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/46ZZWRDCUSPHPTR3T5VHFFG2AN \
  | 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: e7b39b4462a49e77ce3b9f6a7294da0352440c7525c3e468753f6e44c95bfea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a90be96dc552edf7ca256abede8604d2d983126d1194891971615029d85c36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-12T20:00:02Z",
    "title_canon_sha256": "b037bd250c2d55a6062e5f5245b27524d9b367bc2b586f2195f5988c7564c77d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2645",
    "kind": "arxiv",
    "version": 2
  }
}