Pith Number

pith:3QFFJ7NP

pith:2010:3QFFJ7NPY7ONS2CC3S6QSMXPA6

not attested not anchored not stored refs pending

Photometric redshifts and K-corrections for Sloan Digital Sky Survey Seven Data Release

Ana Laura O'Mill, Diego Garc\'ia Lambas, Fernanda Duplancic, Laerte Sodr\'e Jr

arxiv:1012.3752 v1 · 2010-12-16 · 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{3QFFJ7NPY7ONS2CC3S6QSMXPA6}

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	2026-05-18T02:04:23.478047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0a54fdafc7dcd96842dcbd0932ef07a7f12ba44cef37e1d2980084f5d5cee9

Aliases

arxiv: 1012.3752 · arxiv_version: 1012.3752v1 · doi: 10.48550/arxiv.1012.3752 · pith_short_12: 3QFFJ7NPY7ON · pith_short_16: 3QFFJ7NPY7ONS2CC · pith_short_8: 3QFFJ7NP

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/3QFFJ7NPY7ONS2CC3S6QSMXPA6 \
  | 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: dc0a54fdafc7dcd96842dcbd0932ef07a7f12ba44cef37e1d2980084f5d5cee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bf72516dde55ff51e39d77106fc38f00fd500bb268ce3609583defe318eb23c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-16T21:00:12Z",
    "title_canon_sha256": "1cebef2236b158f3a99689d483a69ffe3ecb495b78e6aa8c05d564c691d076ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3752",
    "kind": "arxiv",
    "version": 1
  }
}