Pith Number

pith:CXE6ASF5

pith:2018:CXE6ASF5UBN65M2IMI5X7HHJBO

not attested not anchored not stored refs pending

Extragalactic archaeology with the C, N, and O chemical abundances

Chiaki Kobayashi, Fiorenzo Vincenzo

arxiv:1802.03353 v1 · 2018-02-09 · 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{CXE6ASF5UBN65M2IMI5X7HHJBO}

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	2026-05-18T00:21:51.987880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15c9e048bda05beeb348623b7f9ce90bbc8f65da07ec27681ff731ebbbd92a07

Aliases

arxiv: 1802.03353 · arxiv_version: 1802.03353v1 · doi: 10.48550/arxiv.1802.03353 · pith_short_12: CXE6ASF5UBN6 · pith_short_16: CXE6ASF5UBN65M2I · pith_short_8: CXE6ASF5

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/CXE6ASF5UBN65M2IMI5X7HHJBO \
  | 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: 15c9e048bda05beeb348623b7f9ce90bbc8f65da07ec27681ff731ebbbd92a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e1c3d0fed12c5b391ae7691bb3bdaac4bdd2139c3ad05af7535d22634e8613a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-09T16:59:45Z",
    "title_canon_sha256": "2d31d257567cdedf011539e00c0a80260389a7fe2946f8edc69d537cab90c485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03353",
    "kind": "arxiv",
    "version": 1
  }
}