Pith Number

pith:FS2NEQXM

pith:2011:FS2NEQXMR22EODAAJDVNQA42AG

not attested not anchored not stored refs pending

The SDSS Coadd: A Galaxy Photometric Redshift Catalog

David Johnston, Hee-Jong Seo, Huan Lin, James Annis, Jeffrey Kubo, Jiangang Hao, Marcelle Soares-Santos, Melanie Simet, Ribamar R. R. Reis, Scott Dodelson

arxiv:1111.6620 v2 · 2011-11-28 · 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{FS2NEQXMR22EODAAJDVNQA42AG}

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	2026-05-18T03:51:14.333608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb4d242ec8eb4470c0048ead8039a018b95e3d397c625e08118176bcd39f85f

Aliases

arxiv: 1111.6620 · arxiv_version: 1111.6620v2 · doi: 10.48550/arxiv.1111.6620 · pith_short_12: FS2NEQXMR22E · pith_short_16: FS2NEQXMR22EODAA · pith_short_8: FS2NEQXM

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/FS2NEQXMR22EODAAJDVNQA42AG \
  | 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: 2cb4d242ec8eb4470c0048ead8039a018b95e3d397c625e08118176bcd39f85f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16faac8cab0c3020608ea0a3cf056d111ec6ab74d93bf6cbcf257ca3b88bf25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-28T21:37:12Z",
    "title_canon_sha256": "8ad5cdd125dcf60764b7fa80e8edd63391846c3483adcb23efe3fd2f408f3710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6620",
    "kind": "arxiv",
    "version": 2
  }
}