Pith Number

pith:ZE7AINAY

pith:2010:ZE7AINAYCHJJWO3G2RAVT3Z7ZN

not attested not anchored not stored refs pending

The star formation histories of red and blue low surface brightness disk galaxies

F. Hammer, G. H. Zhong, H. Flores, L.C. Deng, X.Y. Chen, Y.C. Liang

arxiv:1004.4336 v1 · 2010-04-25 · 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{ZE7AINAYCHJJWO3G2RAVT3Z7ZN}

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	2026-05-18T02:07:54.211646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93e04341811d29b3b66d44159ef3fcb7c9325e7295f6d7a15cd98d5a84223b8

Aliases

arxiv: 1004.4336 · arxiv_version: 1004.4336v1 · doi: 10.48550/arxiv.1004.4336 · pith_short_12: ZE7AINAYCHJJ · pith_short_16: ZE7AINAYCHJJWO3G · pith_short_8: ZE7AINAY

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/ZE7AINAYCHJJWO3G2RAVT3Z7ZN \
  | 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: c93e04341811d29b3b66d44159ef3fcb7c9325e7295f6d7a15cd98d5a84223b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86325ee2a948e427e11f573d7a4df42fe09d22cd5361ffb7f06d1600f0de5f39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-25T08:30:24Z",
    "title_canon_sha256": "56e0e314d34d5049a05c671593bac35ba5e3f704b352156b319f6600bb21d052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4336",
    "kind": "arxiv",
    "version": 1
  }
}