Pith Number

pith:RB7TFCOB

pith:2013:RB7TFCOB5FITOKQZGWE3AQ6362

not attested not anchored not stored refs pending

Photometric properties and luminosity function of nearby massive early-type galaxies

Cheng Li, C. N. Hao, S. Mao, X. Y. Xia, Y. P. Jing, Y. Q. He

arxiv:1305.0337 v2 · 2013-05-02 · 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{RB7TFCOB5FITOKQZGWE3AQ6362}

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	2026-05-18T01:50:13.397001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887f3289c1e951372a193589b043dbf68bcc6710e594f4e422eebfe7511361a9

Aliases

arxiv: 1305.0337 · arxiv_version: 1305.0337v2 · doi: 10.48550/arxiv.1305.0337 · pith_short_12: RB7TFCOB5FIT · pith_short_16: RB7TFCOB5FITOKQZ · pith_short_8: RB7TFCOB

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/RB7TFCOB5FITOKQZGWE3AQ6362 \
  | 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: 887f3289c1e951372a193589b043dbf68bcc6710e594f4e422eebfe7511361a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b087e0fa5814420154125f317e41d25795c828f07e3eda6f7d80773ec9d6d5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-02T04:21:47Z",
    "title_canon_sha256": "66ccb57c34c003c19120f0ee0370bd261e69c97c87021ba9d2ced79db639a12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0337",
    "kind": "arxiv",
    "version": 2
  }
}