Pith Number

pith:57SLDPUL

pith:2010:57SLDPULILJOZYGACDKWJXQQUU

not attested not anchored not stored refs pending

Optical Spectroscopy and Nebular Oxygen Abundances of the Spitzer/SINGS Galaxies

Christy A. Tremonti (U of Wisconsin-Madison), Daniela Calzetti (U of Mass-Amherst), Daniel A. Dale (U of Wyoming), John-David T. Smith (U of Toledo), John Moustakas (UC San Diego), Jr. (U of Cambridge), Robert C. Kennicutt

arxiv:1007.4547 v2 · 2010-07-26 · 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{57SLDPULILJOZYGACDKWJXQQUU}

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	2026-05-18T02:06:10.203252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe4b1be8b42d2ece0c010d564de10a517e32a063c20c4c4b2dadd13e0393336

Aliases

arxiv: 1007.4547 · arxiv_version: 1007.4547v2 · doi: 10.48550/arxiv.1007.4547 · pith_short_12: 57SLDPULILJO · pith_short_16: 57SLDPULILJOZYGA · pith_short_8: 57SLDPUL

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/57SLDPULILJOZYGACDKWJXQQUU \
  | 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: efe4b1be8b42d2ece0c010d564de10a517e32a063c20c4c4b2dadd13e0393336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14dfbeda4a3dd1d20704564cedd6dd1e86f1961e6f9fafeb6b8ecdd4f2dc53dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-26T19:57:35Z",
    "title_canon_sha256": "705d09a364ac4eb7f2c3fd9ad65af1472af32cdb3211e25f1bbe6a503565129a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4547",
    "kind": "arxiv",
    "version": 2
  }
}