Pith Number

pith:MAQRS6PL

pith:2015:MAQRS6PLSER57GUOACMQ5MPAX5

not attested not anchored not stored refs pending

On the central abundances of Active Galactic Nuclei and Star-forming Galaxies

A.C. Krabbe, E.K. Grebel, G.F. Hagele, I. Rodrigues, L.S. Pilyugin, M.V. Cardaci, O.L. Dors, P. Freitas-Lemes

arxiv:1508.07802 v1 · 2015-08-31 · 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{MAQRS6PLSER57GUOACMQ5MPAX5}

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	2026-05-18T01:31:31.017367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60211979eb9123df9a8e00990eb1e0bf7491832a82cacdc3580d59f70a52033e

Aliases

arxiv: 1508.07802 · arxiv_version: 1508.07802v1 · doi: 10.48550/arxiv.1508.07802 · pith_short_12: MAQRS6PLSER5 · pith_short_16: MAQRS6PLSER57GUO · pith_short_8: MAQRS6PL

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/MAQRS6PLSER57GUOACMQ5MPAX5 \
  | 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: 60211979eb9123df9a8e00990eb1e0bf7491832a82cacdc3580d59f70a52033e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0ce3482e3fcdf1407834c2e0273bbad26f9bbbe225cea962e48826cd684416",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-31T12:50:30Z",
    "title_canon_sha256": "dd563da87f8b257177109c9968645566e47764fe45429fa2c8dd416cc566bb3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07802",
    "kind": "arxiv",
    "version": 1
  }
}