Pith Number

pith:FQ2WOFZL

pith:2017:FQ2WOFZLJ4CZAC3UNQGIR6DRCZ

not attested not anchored not stored refs pending

The resolved star formation history of M51a through successive Bayesian marginalization

Eric E. Mart\'inez-Garc\'ia, Gladis Magris C., Gustavo Bruzual, Rosa A. Gonz\'alez-L\'opezlira

arxiv:1710.09402 v2 · 2017-10-25 · 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{FQ2WOFZLJ4CZAC3UNQGIR6DRCZ}

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	2026-05-18T00:15:10.060996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3567172b4f05900b746c0c88f871167b580733627a65ba5cc2bf76b6a97be5

Aliases

arxiv: 1710.09402 · arxiv_version: 1710.09402v2 · doi: 10.48550/arxiv.1710.09402 · pith_short_12: FQ2WOFZLJ4CZ · pith_short_16: FQ2WOFZLJ4CZAC3U · pith_short_8: FQ2WOFZL

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/FQ2WOFZLJ4CZAC3UNQGIR6DRCZ \
  | 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: 2c3567172b4f05900b746c0c88f871167b580733627a65ba5cc2bf76b6a97be5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "975cbf998f3d248982689d6f879cf5471023a6d7aedf7dd3a4925af3d4612ea0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-25T18:10:35Z",
    "title_canon_sha256": "e3922c116bd4f3a661f9d22bbca3d1cac29344dc2753e00f80a414b5edee5733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09402",
    "kind": "arxiv",
    "version": 2
  }
}