Pith Number

pith:ZRQUDYVN

pith:2015:ZRQUDYVNB2ZQC7PZ3LCFTQGD7Z

not attested not anchored not stored refs pending

Environment, morphology and stellar populations of bulgeless low surface brightness galaxies

F. Hammer, K. Disseau, L. C. Deng, M. Puech, M. Rodrigues, X. Shao, Y. B. Yang, Y. C. Liang

arxiv:1504.07864 v1 · 2015-04-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZRQUDYVNB2ZQC7PZ3LCFTQGD7Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:37:34.675483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc6141e2ad0eb3017df9dac459c0c3fe60200b25f49534b4732cb23ef4cec3e3

Aliases

arxiv: 1504.07864 · arxiv_version: 1504.07864v1 · doi: 10.48550/arxiv.1504.07864 · pith_short_12: ZRQUDYVNB2ZQ · pith_short_16: ZRQUDYVNB2ZQC7PZ · pith_short_8: ZRQUDYVN

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/ZRQUDYVNB2ZQC7PZ3LCFTQGD7Z \
  | 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: cc6141e2ad0eb3017df9dac459c0c3fe60200b25f49534b4732cb23ef4cec3e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fef141e7dc6752a941cd9d01ade72ecf78b5a7088ddd051d4adacbd13866f45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-29T14:02:25Z",
    "title_canon_sha256": "35dc45eb275c3f203d0baefc5be75e9b8ca2515b326993fc4e02b28117ab6a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07864",
    "kind": "arxiv",
    "version": 1
  }
}