Pith Number

pith:ZV3XTNED

pith:2017:ZV3XTNED54DLFOCYGAPWQYDXK6

not attested not anchored not stored refs pending

Firefly (Fitting IteRativEly For Likelihood analYsis): a full spectral fitting code

Claudia Maraston, Daniel Goddard, Daniel Thomas, David M. Wilkinson, Taniya Parikh

arxiv:1711.00865 v1 · 2017-11-02 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZV3XTNED54DLFOCYGAPWQYDXK6}

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	2026-05-18T00:31:11.065131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd7779b483ef06b2b858301f68607757ba381bd6e1b7028784335f34fcf41405

Aliases

arxiv: 1711.00865 · arxiv_version: 1711.00865v1 · doi: 10.48550/arxiv.1711.00865 · pith_short_12: ZV3XTNED54DL · pith_short_16: ZV3XTNED54DLFOCY · pith_short_8: ZV3XTNED

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/ZV3XTNED54DLFOCYGAPWQYDXK6 \
  | 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: cd7779b483ef06b2b858301f68607757ba381bd6e1b7028784335f34fcf41405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f825f50af06e4f4a02f4f9ea74ccdfbe5a17d6155ad280b93b47ae581007c72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-02T18:00:46Z",
    "title_canon_sha256": "33bf7c68c570bf264cb0f5bc9df4c6615822b34411faee4c0d51b07bd154a92d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00865",
    "kind": "arxiv",
    "version": 1
  }
}