Pith Number

pith:BCORM7QS

pith:2019:BCORM7QSIBMZ2L5C4TNNA37YAG

not attested not anchored not stored refs pending

Metallicity gradients in small and nearby spiral galaxies

Fabio Bresolin

arxiv:1907.05071 v1 · 2019-07-11 · 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{BCORM7QSIBMZ2L5C4TNNA37YAG}

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	2026-05-17T23:39:42.767336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

089d167e1240599d2fa2e4dad06ff801945d9d6d2e209c81f3567293aaaa35e0

Aliases

arxiv: 1907.05071 · arxiv_version: 1907.05071v1 · doi: 10.48550/arxiv.1907.05071 · pith_short_12: BCORM7QSIBMZ · pith_short_16: BCORM7QSIBMZ2L5C · pith_short_8: BCORM7QS

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/BCORM7QSIBMZ2L5C4TNNA37YAG \
  | 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: 089d167e1240599d2fa2e4dad06ff801945d9d6d2e209c81f3567293aaaa35e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47f64698d5cdec79fbb67d5cfcf97a7093dde0aa61f3692029ee6b363f45f79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-11T09:24:25Z",
    "title_canon_sha256": "6105776c8207099db5d6bb414f4d158814084436b90b2975d2a37cdbe46a1084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05071",
    "kind": "arxiv",
    "version": 1
  }
}