Pith Number

pith:O5OIHRD7

pith:2018:O5OIHRD72A7I23RG4MMJSYEKX5

not attested not anchored not stored refs pending

Fossil group origins IX. Probing the formation of fossil galaxy groups with stellar population gradients of their central galaxies

10), (10) Flatiron Institute, (11) Max-Planck-Institut f\"ur extraterrestrische Physik, 2, 2), (2) INAF-Osservatorio Astronomico di Padova, 3), (3) Universidad de Atacama, (4) Universit\`a di Trieste, 5, 5), (5) INAF-Osservatorio Astronomico di Trieste, 6), (6) Universit\'e Paris-Saclay, (7) Instituto de Astrof\'isica de Canarias, 8), (8) Universidad de la Laguna, (9) University of Wisconsin, A. Kundert (9), Chile, E. D'Onghia (9, E. M. Corsini (1, France, Germany), Italy, J. A. L. Aguerri (7, J. M\'endez-Abreu (7, J. Thomas (11) ((1) Universit\`a di Padova, L. Costantin (1), L. Morelli (1, M. Girardi (4, Spain, S. Zarattini (4, USA

arxiv:1809.01251 v1 · 2018-09-04 · 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{O5OIHRD72A7I23RG4MMJSYEKX5}

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	2026-05-18T00:01:57.904468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775c83c47fd03e8d6e26e31899608abf60304fc55fb6bb7187d35195eaf5466d

Aliases

arxiv: 1809.01251 · arxiv_version: 1809.01251v1 · doi: 10.48550/arxiv.1809.01251 · pith_short_12: O5OIHRD72A7I · pith_short_16: O5OIHRD72A7I23RG · pith_short_8: O5OIHRD7

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/O5OIHRD72A7I23RG4MMJSYEKX5 \
  | 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: 775c83c47fd03e8d6e26e31899608abf60304fc55fb6bb7187d35195eaf5466d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c08d336e2623ac059d82d19c0013770942581786c5e0e7c5b2c677fe36d9e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-04T21:43:23Z",
    "title_canon_sha256": "1a32c8aaa55b6018cbbf541d19facb95ec0600a7585bf27cb028f9791320e2d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01251",
    "kind": "arxiv",
    "version": 1
  }
}