Pith Number

pith:VGSCWGYJ

pith:2017:VGSCWGYJZUJX2YT2FG6XN245G6

not attested not anchored not stored refs pending

Cosmic Star Formation: a simple model of the SFRD(z)

Cesare Chiosi, Emanuela Chiosi, Francesca Brotto, Mauro D'Onofrio, Mauro Sciarratta, Rosaria De Michele, Valeria Politino

arxiv:1711.03416 v1 · 2017-11-09 · 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{VGSCWGYJZUJX2YT2FG6XN245G6}

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	2026-05-18T00:27:18.170076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a42b1b09cd137d627a29bd76eb9d3787258a195ce4ea2da2cb34cdc02616fa

Aliases

arxiv: 1711.03416 · arxiv_version: 1711.03416v1 · doi: 10.48550/arxiv.1711.03416 · pith_short_12: VGSCWGYJZUJX · pith_short_16: VGSCWGYJZUJX2YT2 · pith_short_8: VGSCWGYJ

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/VGSCWGYJZUJX2YT2FG6XN245G6 \
  | 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: a9a42b1b09cd137d627a29bd76eb9d3787258a195ce4ea2da2cb34cdc02616fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e6358efffdbaf4267ef8f355840c110e6d628573ba5978fbbdae3dc92d5a62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-09T15:12:35Z",
    "title_canon_sha256": "23708bbf537362a7199427ba7d8f3939f90e2b15c4a2ebcd35563d4704e9db9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03416",
    "kind": "arxiv",
    "version": 1
  }
}