Pith Number

pith:3QAI54OQ

pith:2016:3QAI54OQITBSG27QFYLKBQNW4W

not attested not anchored not stored refs pending

A simple and general method for solving detailed chemical evolution with delayed production of iron and other chemical elements

Emanuele Spitoni, Fiorenzo Vincenzo, Francesca Matteucci

arxiv:1606.08469 v2 · 2016-06-27 · 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{3QAI54OQITBSG27QFYLKBQNW4W}

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	2026-05-18T00:52:39.434342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc008ef1d044c3236bf02e16a0c1b6e5bdd5f3240bf65d652c7b0bf3938651df

Aliases

arxiv: 1606.08469 · arxiv_version: 1606.08469v2 · doi: 10.48550/arxiv.1606.08469 · pith_short_12: 3QAI54OQITBS · pith_short_16: 3QAI54OQITBSG27Q · pith_short_8: 3QAI54OQ

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/3QAI54OQITBSG27QFYLKBQNW4W \
  | 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: dc008ef1d044c3236bf02e16a0c1b6e5bdd5f3240bf65d652c7b0bf3938651df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ec0cc81a77829707abf458ba44a951d338eef4579face15dc942b223d5c9e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-27T20:11:43Z",
    "title_canon_sha256": "ce7111057a4e3ce9b725c9c104d0b2b444ea05b519bf4ea54db55308f0b4417f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08469",
    "kind": "arxiv",
    "version": 2
  }
}