Pith Number

pith:RKXOY2QM

pith:2013:RKXOY2QMIHEQNX47U5TKQU5YQF

not attested not anchored not stored refs pending

The Connection between Star Formation and Metallicity Evolution in Barred Spiral Galaxies

Daisuke Kawata, Hugo Martel, Sara L. Ellison

arxiv:1302.6211 v1 · 2013-02-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKXOY2QMIHEQNX47U5TKQU5YQF}

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	2026-05-18T01:51:28.727943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aaeec6a0c41c906df9fa766a853b8817c45ff146fcb80b88ed0577d252c17ac

Aliases

arxiv: 1302.6211 · arxiv_version: 1302.6211v1 · doi: 10.48550/arxiv.1302.6211 · pith_short_12: RKXOY2QMIHEQ · pith_short_16: RKXOY2QMIHEQNX47 · pith_short_8: RKXOY2QM

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/RKXOY2QMIHEQNX47U5TKQU5YQF \
  | 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: 8aaeec6a0c41c906df9fa766a853b8817c45ff146fcb80b88ed0577d252c17ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01076d2a8dbc1c591645fce44f415e7ccda802da6fe4783e0b7c16f049c624bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-25T20:10:29Z",
    "title_canon_sha256": "045121ec8f6e52e9c754365f2a444973b527e987164d8039848c2dfd88f6dea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6211",
    "kind": "arxiv",
    "version": 1
  }
}