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Pith Number

pith:XKEU2ZGM

pith:2011:XKEU2ZGMDVAGWWUGZUKJZCLVXF
not attested not anchored not stored refs pending

Ultraviolet color-color relation of early-type galaxies at 0.05 < z < 0.12

2), (2) Department of Astronomy, Chang H. Ree (1), Chul Chung (2), Hyunjin Jeong (1, Jaemann Kyeong (1) ((1) Korea Astronomy, Joon Hyeop Lee (1), Kyuseok Oh (2), Sang Chul Kim (1), Space Science Institute, Yonsei University)

arxiv:1112.1470 v1 · 2011-12-07 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XKEU2ZGMDVAGWWUGZUKJZCLVXF}

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 2026-05-18T01:59:15.946126Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ba894d64cc1d406b5a86cd149c8975b940e691cbc5bc99964bd79eca94043c99

Aliases

arxiv: 1112.1470 · arxiv_version: 1112.1470v1 · doi: 10.48550/arxiv.1112.1470 · pith_short_12: XKEU2ZGMDVAG · pith_short_16: XKEU2ZGMDVAGWWUG · pith_short_8: XKEU2ZGM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XKEU2ZGMDVAGWWUGZUKJZCLVXF \
  | 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: ba894d64cc1d406b5a86cd149c8975b940e691cbc5bc99964bd79eca94043c99
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e27ede85fabff58ad03145bd64abe54ed89227eaa18d6b8439b291b2c50ea792",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-07T04:52:01Z",
    "title_canon_sha256": "2f827b2ea9fe2fc90c56053fb7074c3b57217313c827e128d516fb2a3e3f887f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1470",
    "kind": "arxiv",
    "version": 1
  }
}