Pith Number

pith:CQFKL6AB

pith:2018:CQFKL6ABABKO4D4OXHNV2E2BI7

not attested not anchored not stored refs pending

A multi-wavelength study of the evolution of Early-Type Galaxies in Groups: the ultraviolet view

A. Marino, A. Wolter, G. Trinchieri, H. Plana, L. Bianchi, M. Uslenghi, P. Mazzei, R. Rampazzo

arxiv:1803.03967 v1 · 2018-03-11 · 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{CQFKL6ABABKO4D4OXHNV2E2BI7}

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	2026-05-18T00:18:51.519518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140aa5f8010054ee0f8eb9db5d134147ffce107caa8a6a29840b5ed32fee9317

Aliases

arxiv: 1803.03967 · arxiv_version: 1803.03967v1 · doi: 10.48550/arxiv.1803.03967 · pith_short_12: CQFKL6ABABKO · pith_short_16: CQFKL6ABABKO4D4O · pith_short_8: CQFKL6AB

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/CQFKL6ABABKO4D4OXHNV2E2BI7 \
  | 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: 140aa5f8010054ee0f8eb9db5d134147ffce107caa8a6a29840b5ed32fee9317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54858629a9cc43b37a6bb5cfcb2632e482ffd2cf0ddb7cc1403dd62279a49a39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-11T14:30:07Z",
    "title_canon_sha256": "20058d9e145d8f8425c8012bd1db0e416a333804f79d0ad04cec21ac3854a171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03967",
    "kind": "arxiv",
    "version": 1
  }
}