Pith Number

pith:2ZIJYKP2

pith:2019:2ZIJYKP2WNPKLOPHEXSVHVW2UO

not attested not anchored not stored refs pending

Evolution of the Gas Mass Fraction of Progenitors to Today's Massive Galaxies: ALMA Observations in the CANDELS GOODS-S Field

Anton M. Koekemoer, Bahram Mobasher, Casey Papovich, Dale Kocevski, David C. Koo, Duilia F. de Mello, Gabriel B. Brammer, Henry C. Ferguson, Jonathan Freundlich, Mauro Giavalisco, Sandra M. Faber, Susan Kassin, Swara Ravindranath, Tommy Wiklind, Yicheng Guo

arxiv:1903.06962 v1 · 2019-03-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZIJYKP2WNPKLOPHEXSVHVW2UO}

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	2026-05-17T23:42:20.685867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6509c29fab35ea5b9e725e553d6daa38b5b03680e02c2fdc9c7b54b94511bbc

Aliases

arxiv: 1903.06962 · arxiv_version: 1903.06962v1 · doi: 10.48550/arxiv.1903.06962 · pith_short_12: 2ZIJYKP2WNPK · pith_short_16: 2ZIJYKP2WNPKLOPH · pith_short_8: 2ZIJYKP2

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/2ZIJYKP2WNPKLOPHEXSVHVW2UO \
  | 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: d6509c29fab35ea5b9e725e553d6daa38b5b03680e02c2fdc9c7b54b94511bbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ad6c329130778b9d84bc0baa02d7606f2f713e57a4283bd7887904faf73261",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-16T17:22:55Z",
    "title_canon_sha256": "34dc66b379b76dce056b8df75d3788dbc37d76473d9ebdd6c0891a9b54d81b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06962",
    "kind": "arxiv",
    "version": 1
  }
}