Pith Number

pith:UCDK7RMN

pith:2010:UCDK7RMNQBVWVHEKJ4OZKCYCP7

not attested not anchored not stored refs pending

Improving the Estimation of Star formation Rates and Stellar Population Ages of High-redshift Galaxies from Broadband Photometry

Henry C. Ferguson, Mauro Giavalisco, Rachel S. Somerville, Seong-Kook Lee, Tommy Wiklind

arxiv:1010.1966 v2 · 2010-10-10 · 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{UCDK7RMNQBVWVHEKJ4OZKCYCP7}

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	2026-05-18T02:05:06.988303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a086afc58d806b6a9c8a4f1d950b027ff0ca929056ccc184d11e52309e5b4a21

Aliases

arxiv: 1010.1966 · arxiv_version: 1010.1966v2 · doi: 10.48550/arxiv.1010.1966 · pith_short_12: UCDK7RMNQBVW · pith_short_16: UCDK7RMNQBVWVHEK · pith_short_8: UCDK7RMN

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/UCDK7RMNQBVWVHEKJ4OZKCYCP7 \
  | 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: a086afc58d806b6a9c8a4f1d950b027ff0ca929056ccc184d11e52309e5b4a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cbeb2dc6a878e69ec12a74cad4749cb2de7f997a0b3788f6a658a83758cff60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-10T21:30:42Z",
    "title_canon_sha256": "4fabdea9d2c37838ad76fc2a55de558ce80b4282667b8db4036394e1438003c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1966",
    "kind": "arxiv",
    "version": 2
  }
}