Pith Number

pith:IMOIBN5E

pith:2013:IMOIBN5EEXS57PMRLFP746UFKV

not attested not anchored not stored refs pending

The paucity of globular clusters around the field elliptical NGC 7507

(2) Departamento de Astronom\'ia, (3) Finnish Centre for Astronomy with ESO, (4) Department of Physics, Argentina, A. Romanowsky (4) ((1) Facultad de Ciencias Astron\'omicas y Geof\'isicas de la Universidad Nacional de La Plata, Astronomy, Chile, Concepci\'on, Consejo Nacional de Investigaciones Cient\'ificas y T\'ecnicas, Finland, Instituto de Astrof\'isica de La Plata (CCT La Plata-CONICET-UNLP), J. P. Caso (1), L. P. Bassino (1), R. R. Lane (2), R. Salinas (3), San Jos\'e, San Jos\'e State University, T. Richtler (2), Universidad de Concepci\'on, University of Turku, USA)

arxiv:1305.1335 v1 · 2013-05-06 · 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{IMOIBN5EEXS57PMRLFP746UFKV}

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	2026-05-18T01:50:05.455655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

431c80b7a425e5dfbd91595ffe7a85556462dbfcd5e2a00686bae191e29c7306

Aliases

arxiv: 1305.1335 · arxiv_version: 1305.1335v1 · doi: 10.48550/arxiv.1305.1335 · pith_short_12: IMOIBN5EEXS5 · pith_short_16: IMOIBN5EEXS57PMR · pith_short_8: IMOIBN5E

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/IMOIBN5EEXS57PMRLFP746UFKV \
  | 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: 431c80b7a425e5dfbd91595ffe7a85556462dbfcd5e2a00686bae191e29c7306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b4daae9a5c1c2a67a21f4c35d5856e6763135da42e21c36055b75e43ee6da6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-06T21:31:01Z",
    "title_canon_sha256": "8f9f9071480a36769581ce288e54ab32053017b9b9aed4b9bf565bf54181f3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1335",
    "kind": "arxiv",
    "version": 1
  }
}