Pith Number

pith:KFH7FXF4

pith:2015:KFH7FXF4JRMPBOS3PMOX4LUMYZ

not attested not anchored not stored refs pending

Comparing galaxy disk and star-formation properties in X-ray bright and faint groups and clusters

Ananthan Karunakaran, Ian D. Roberts, Laura C. Parker

arxiv:1511.01020 v1 · 2015-11-03 · 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{KFH7FXF4JRMPBOS3PMOX4LUMYZ}

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	2026-05-18T01:27:55.435065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514ff2dcbc4c58f0ba5b7b1d7e2e8cc646adaa50c0103988635c2a7c0ce83d8e

Aliases

arxiv: 1511.01020 · arxiv_version: 1511.01020v1 · doi: 10.48550/arxiv.1511.01020 · pith_short_12: KFH7FXF4JRMP · pith_short_16: KFH7FXF4JRMPBOS3 · pith_short_8: KFH7FXF4

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/KFH7FXF4JRMPBOS3PMOX4LUMYZ \
  | 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: 514ff2dcbc4c58f0ba5b7b1d7e2e8cc646adaa50c0103988635c2a7c0ce83d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "919f51f31b42c5dd0f2ed4d9d025950cd24b49ade8c4e78750f47ee11be79645",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-03T18:10:27Z",
    "title_canon_sha256": "639392e0844557fa8dabe128a0feadef307998eccd449bb20411bca6b0697287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01020",
    "kind": "arxiv",
    "version": 1
  }
}