Pith Number

pith:EEX7X2VO

pith:2013:EEX7X2VO7R3GPAB2KTLDOCUIK6

not attested not anchored not stored refs pending

Systematics in Metallicity Gradient Measurements I : Angular Resolution, Signal-to-Noise and Annuli Binning

2), (2) Australian National University, (3) Carnegie Observatories), Hawaii, J. Rich (3) ((1) IfA, L. J. Kewley (1, T.-T. Yuan (1

arxiv:1302.6232 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{EEX7X2VO7R3GPAB2KTLDOCUIK6}

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	2026-05-18T01:51:28.681280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

212ffbeaaefc7667803a54d6370a8857ae4fd9cbdb09f476319adf4056adee9b

Aliases

arxiv: 1302.6232 · arxiv_version: 1302.6232v1 · doi: 10.48550/arxiv.1302.6232 · pith_short_12: EEX7X2VO7R3G · pith_short_16: EEX7X2VO7R3GPAB2 · pith_short_8: EEX7X2VO

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/EEX7X2VO7R3GPAB2KTLDOCUIK6 \
  | 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: 212ffbeaaefc7667803a54d6370a8857ae4fd9cbdb09f476319adf4056adee9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a32ca37c8c484415baf7575c389e08161156cadda828bc388574fdc65b0a9e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-25T21:00:00Z",
    "title_canon_sha256": "3322facfae37ab3911f067ea9767b39b14f0056138269b5653217dcb3160f303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6232",
    "kind": "arxiv",
    "version": 1
  }
}