Pith Number

pith:5ATDMV6B

pith:2013:5ATDMV6BIILZYI44B5K2SATGJB

not attested not anchored not stored refs pending

New Radial Abundance Gradients for NGC 628 and NGC 2403

Andrew R. Marble, Danielle A. Berg, Donald R. Garnett, Evan D. Skillman, J.D. Smith, Karl Gordon, Kevin V. Croxall, Robert C. Kennicutt Jr

arxiv:1309.0584 v1 · 2013-09-03 · 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{5ATDMV6BIILZYI44B5K2SATGJB}

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	2026-05-18T01:47:50.483538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8263657c142179c239c0f55a90266486738314938dd86136245e9f9105594ec

Aliases

arxiv: 1309.0584 · arxiv_version: 1309.0584v1 · doi: 10.48550/arxiv.1309.0584 · pith_short_12: 5ATDMV6BIILZ · pith_short_16: 5ATDMV6BIILZYI44 · pith_short_8: 5ATDMV6B

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/5ATDMV6BIILZYI44B5K2SATGJB \
  | 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: e8263657c142179c239c0f55a90266486738314938dd86136245e9f9105594ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaf4c4518997981534816c9480b01aafefb7a83e8d4955df908c59c53bd2624a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-03T05:12:48Z",
    "title_canon_sha256": "4cf2b4318accaf4eb1d8903697bdbb57d0af315e9b3e2af1110655ba0e117c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0584",
    "kind": "arxiv",
    "version": 1
  }
}