Pith Number

pith:QVZ44KBT

pith:2013:QVZ44KBTOYNPBQT6XYJDWZLWBK

not attested not anchored not stored refs pending

The study of s-process nucleosynthesis based on barium stars, CEMP-s and CEMP-r/s stars

Bo Zhang, Caixia Zhang, Jianrong Shi, Lang Shao, Wenyuan Cui, Xiaoying Meng, Yuanyuan Geng

arxiv:1305.1764 v1 · 2013-05-08 · 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{QVZ44KBTOYNPBQT6XYJDWZLWBK}

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	2026-05-18T03:26:11.281868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8573ce2833761af0c27ebe123b65760aac949a8de813e7699bda36bb209ee30a

Aliases

arxiv: 1305.1764 · arxiv_version: 1305.1764v1 · doi: 10.48550/arxiv.1305.1764 · pith_short_12: QVZ44KBTOYNP · pith_short_16: QVZ44KBTOYNPBQT6 · pith_short_8: QVZ44KBT

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/QVZ44KBTOYNPBQT6XYJDWZLWBK \
  | 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: 8573ce2833761af0c27ebe123b65760aac949a8de813e7699bda36bb209ee30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fdb698a4a63d33af26a08d53d7c89f9daf9a0f5c8f7a14a0cb32354c9082c3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-08T10:13:57Z",
    "title_canon_sha256": "6cdbd222ad2003f99dd08c5e8bece60d156dcb84a7119f78465e2ccf7a0ac412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1764",
    "kind": "arxiv",
    "version": 1
  }
}