Pith Number

pith:A3I7CU5T

pith:2013:A3I7CU5TBSECCXRZ6SHVPMNTQI

not attested not anchored not stored refs pending

Chemical abundance studies of CP stars in open clusters

Luca Fossati

arxiv:1311.5906 v1 · 2013-11-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3I7CU5TBSECCXRZ6SHVPMNTQI}

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	2026-05-18T03:06:21.161072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06d1f153b30c88215e39f48f57b1b382013ee3db6280e91e6b1876f8fc7e6e26

Aliases

arxiv: 1311.5906 · arxiv_version: 1311.5906v1 · doi: 10.48550/arxiv.1311.5906 · pith_short_12: A3I7CU5TBSEC · pith_short_16: A3I7CU5TBSECCXRZ · pith_short_8: A3I7CU5T

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/A3I7CU5TBSECCXRZ6SHVPMNTQI \
  | 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: 06d1f153b30c88215e39f48f57b1b382013ee3db6280e91e6b1876f8fc7e6e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a9f114eda54e82e162f41aa6e599a7ac703ffb9f26c1b5734a5a32b9c46f0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-22T21:34:06Z",
    "title_canon_sha256": "a2ab93da6bbedbb9e8b0c22d88b9ef9edf9db32271304319be4320113255b6d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5906",
    "kind": "arxiv",
    "version": 1
  }
}