Pith Number

pith:V4OQV3QL

pith:2014:V4OQV3QLBFFSFKY6JDDFF7EX77

not attested not anchored not stored refs pending

Simple Stellar Population Modeling of Low S/N Galaxy Spectra and Quasar Host Galaxy Applications

Andrew Sheinis, Christy Tremonti, Eric Hooper, Gregory Mosby Jr, Joseph Richards, Marsha Wolf

arxiv:1408.3335 v2 · 2014-08-14 · astro-ph.GA · 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{V4OQV3QLBFFSFKY6JDDFF7EX77}

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	2026-05-18T02:30:54.813255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af1d0aee0b094b22ab1e48c652fc97ffcade6ed562e7900966317decad3f7476

Aliases

arxiv: 1408.3335 · arxiv_version: 1408.3335v2 · doi: 10.48550/arxiv.1408.3335 · pith_short_12: V4OQV3QLBFFS · pith_short_16: V4OQV3QLBFFSFKY6 · pith_short_8: V4OQV3QL

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/V4OQV3QLBFFSFKY6JDDFF7EX77 \
  | 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: af1d0aee0b094b22ab1e48c652fc97ffcade6ed562e7900966317decad3f7476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c19230eb7920dcc8f27d999bcce0dadf9a0d4af2f397efc87a90b7a067b776",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-14T16:42:23Z",
    "title_canon_sha256": "21181c58b34115d90c6125f1ad98596b1c5ade076017b696c7c752af4b508204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3335",
    "kind": "arxiv",
    "version": 2
  }
}