Pith Number

pith:T7DLZR6F

pith:2012:T7DLZR6FZ2WBWEYAQCW6KWE3BG

not attested not anchored not stored refs pending

Metal Abundance and Kinematical Properties of M81 Globular Cluster System

2), (2) Key Laboratory of Optical Astronomy, 3), (3) University of Chinese Academy of Sciences, (4) Department of Astronomy, (5) College of Physical Sciences, (6) Department of Physics, Beijing, Beijing China, Beijing Normal University, China, China), Chinese Academy of Sciences, Cuihua Du (5), Hu Zou (1), Jianghua Wu (4), Jun Ma (1, Nanjing, Nanjing Normal University, National Astronomical Observatories, Qirong Yuan (6) ((1) National Astronomical Observatories, Song Wang (1, Tianmeng Zhang (1), University of Chinese Academy of Sciences, Xu Zhou (1), Zhenyu Wu (1), Zhou Fan (1)

arxiv:1211.2069 v1 · 2012-11-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7DLZR6FZ2WBWEYAQCW6KWE3BG}

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	2026-05-18T01:53:17.620509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc6bcc7c5ceac1b130080ade5589b09afa2a29bd2ee42237b3c0ae61fe5450c

Aliases

arxiv: 1211.2069 · arxiv_version: 1211.2069v1 · doi: 10.48550/arxiv.1211.2069 · pith_short_12: T7DLZR6FZ2WB · pith_short_16: T7DLZR6FZ2WBWEYA · pith_short_8: T7DLZR6F

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/T7DLZR6FZ2WBWEYAQCW6KWE3BG \
  | 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: 9fc6bcc7c5ceac1b130080ade5589b09afa2a29bd2ee42237b3c0ae61fe5450c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e705ac0ad7daf79a81dfd5830e1b9ac8f1e24204b28eb4eb36ea1d7f5d3fe0b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-09T08:10:47Z",
    "title_canon_sha256": "0675d5f8dd5d4eefe1d44dcecb5caff76f0836105e309a9cfef9fec8858344be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2069",
    "kind": "arxiv",
    "version": 1
  }
}