Pith Number

pith:RU2FQZBK

pith:2010:RU2FQZBKK3F67I2MQZ6DB7MYJR

not attested not anchored not stored refs pending

Asymptotic Giant Branch Stars in the Leo I Dwarf Spheroidal Galaxy

John W. Menzies, Michael W. Feast, Noriyuki Matsunaga, Patricia A. Whitelock

arxiv:1003.4135 v1 · 2010-03-22 · 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{RU2FQZBKK3F67I2MQZ6DB7MYJR}

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	2026-05-18T02:08:24.695896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3458642a56cbefa34c867c30fd984c746f4c05e8463e7258264b0fa77d87fb

Aliases

arxiv: 1003.4135 · arxiv_version: 1003.4135v1 · doi: 10.48550/arxiv.1003.4135 · pith_short_12: RU2FQZBKK3F6 · pith_short_16: RU2FQZBKK3F67I2M · pith_short_8: RU2FQZBK

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/RU2FQZBKK3F67I2MQZ6DB7MYJR \
  | 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: 8d3458642a56cbefa34c867c30fd984c746f4c05e8463e7258264b0fa77d87fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb0163a44e72065b019abd33a3f831c2cba14227591493a30bb57f3bd57badf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-22T11:27:55Z",
    "title_canon_sha256": "636d3fe2f901614d1c391b72423c4aae9e769e707afc0c000e106b9c352e71f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4135",
    "kind": "arxiv",
    "version": 1
  }
}