Pith Number

pith:IZGUG2VE

pith:2020:IZGUG2VEJQ56KP6C5XRHQOLRFC

not attested not anchored not stored refs pending

Evidence for the Accretion of Gas in Star-Forming Galaxies: High N/O Abundances in Regions of Anomalously-Low Metallicity

Brett H. Andrews, Dmitry Bizyaev, Hsiang-Chih Hwang, Jorge Sanchez Almeida, JoseG. Fernandez-Trincado, Kate Rowlands, Laura Sanchez-Menguiano, Maria Argudo-Fernandez, Niv Drory, Richard R. Lane, Roberto Maiolino, Rogerio Riffel, Timothy Heckman, Yuanze Luo

arxiv:2012.04073 v1 · 2020-12-07 · 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{IZGUG2VEJQ56KP6C5XRHQOLRFC}

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	2026-07-05T02:18:06.848684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

464d436aa44c3be53fc2ede278397128b02dd35fed4458a74a11c3663392d3c6

Aliases

arxiv: 2012.04073 · arxiv_version: 2012.04073v1 · doi: 10.48550/arxiv.2012.04073 · pith_short_12: IZGUG2VEJQ56 · pith_short_16: IZGUG2VEJQ56KP6C · pith_short_8: IZGUG2VE

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/IZGUG2VEJQ56KP6C5XRHQOLRFC \
  | 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: 464d436aa44c3be53fc2ede278397128b02dd35fed4458a74a11c3663392d3c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648630d7028ff01de8c750a0c0927f8baf1e5f95830bad1b47a14ec66cba75b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-07T21:39:51Z",
    "title_canon_sha256": "585e6956f7d615a333664a00431e02681b13ae00a4eb35ca1ec74d092934bf3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04073",
    "kind": "arxiv",
    "version": 1
  }
}