Pith Number

pith:A56UXNV2

pith:2019:A56UXNV2BTEDAJVILCHW4II55H

not attested not anchored not stored refs pending

2D-Galactic chemical evolution: the role of the spiral density wave

\'A I. D\'iaz, Bradley K. Gibson, Dismas S. Wamalwa, Fernando. F. Rosales-Ortega, Mercedes Moll\'a, Oscar Cavichia, Sebastian F. S\'anchez, Sheillah Wekesa, Yago Ascasibar

arxiv:1908.10571 v2 · 2019-08-28 · 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{A56UXNV2BTEDAJVILCHW4II55H}

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	2026-07-05T00:06:55.978364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077d4bb6ba0cc83026a8588f6e211de9fbd5e0cf3906882f9ed473168a954a7a

Aliases

arxiv: 1908.10571 · arxiv_version: 1908.10571v2 · doi: 10.48550/arxiv.1908.10571 · pith_short_12: A56UXNV2BTED · pith_short_16: A56UXNV2BTEDAJVI · pith_short_8: A56UXNV2

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/A56UXNV2BTEDAJVILCHW4II55H \
  | 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: 077d4bb6ba0cc83026a8588f6e211de9fbd5e0cf3906882f9ed473168a954a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde50249285dafbf198dec5908f9b0a3e162dbf5cfb905179848315cce25870b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-28T06:56:07Z",
    "title_canon_sha256": "14ccc52cf602303e4eed41bea206d4515868426310c5528aff06c4d63ed01551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10571",
    "kind": "arxiv",
    "version": 2
  }
}