Pith Number

pith:FG2GZKJT

pith:2019:FG2GZKJTCC4FWIVBHDMYSDX27N

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Radial Metallicity Gradients in Star-Forming Galaxies

Danielle Berg, Fabio Bresolin, Katia Cunha, Laura Magrini, Letizia Stanghellini

arxiv:1905.04096 v1 · 2019-05-10 · 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{FG2GZKJTCC4FWIVBHDMYSDX27N}

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	2026-05-17T23:46:34.582382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b46ca93310b85b22a138d9890efafb41f4a9e11a7fe6997a91acd65e26b511

Aliases

arxiv: 1905.04096 · arxiv_version: 1905.04096v1 · doi: 10.48550/arxiv.1905.04096 · pith_short_12: FG2GZKJTCC4F · pith_short_16: FG2GZKJTCC4FWIVB · pith_short_8: FG2GZKJT

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/FG2GZKJTCC4FWIVBHDMYSDX27N \
  | 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: 29b46ca93310b85b22a138d9890efafb41f4a9e11a7fe6997a91acd65e26b511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb7628ab2a91c1d9c587ad81591e570b96ca11f0d61ca7635b126032b96a76b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-10T12:05:08Z",
    "title_canon_sha256": "d6b1a58d42235ec0031f562740ad564a4ee8fd2d8ad28763f2664b6ba8c1a206"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04096",
    "kind": "arxiv",
    "version": 1
  }
}