Pith Number

pith:KXEPGPVQ

pith:2010:KXEPGPVQJTGGEQOKMYZ4CDKVD6

not attested not anchored not stored refs pending

Tracing the merger-driven evolution of active galaxies using the CJF sample

Andreas Eckart, Anton Zensus, Arno Witzel, Marios Karouzos, Silke Britzen

arxiv:1005.2177 v2 · 2010-05-12 · 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{KXEPGPVQJTGGEQOKMYZ4CDKVD6}

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	2026-05-18T02:24:07.778742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55c8f33eb04ccc6241ca6633c10d551f93270587ea0809a293785b45909383b2

Aliases

arxiv: 1005.2177 · arxiv_version: 1005.2177v2 · doi: 10.48550/arxiv.1005.2177 · pith_short_12: KXEPGPVQJTGG · pith_short_16: KXEPGPVQJTGGEQOK · pith_short_8: KXEPGPVQ

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/KXEPGPVQJTGGEQOKMYZ4CDKVD6 \
  | 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: 55c8f33eb04ccc6241ca6633c10d551f93270587ea0809a293785b45909383b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c793422fc49d59937fb14025f788f9822aaea61556e5615ae13d4fd13e389eb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-12T19:24:58Z",
    "title_canon_sha256": "cd0df55576bbd5cfc8d61bbffd4d89e0bdfef280a0dbb93bbd9c4cc8a7fcb520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2177",
    "kind": "arxiv",
    "version": 2
  }
}