Pith Number

pith:4BR7DGDV

pith:2012:4BR7DGDV5NFOWKSIGP7SGSNMK4

not attested not anchored not stored refs pending

An Oxford SWIFT Integral Field Spectroscopy study of 14 early-type galaxies in the Coma cluster

Fraser J. Clarke, Matthias Tecza, Michele Cappellari, Nicholas Scott, Niranjan Thatte, Roger L. Davies, Ryan C. W. Houghton

arxiv:1205.4299 v2 · 2012-05-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BR7DGDV5NFOWKSIGP7SGSNMK4}

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	2026-05-18T03:46:58.846100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e063f19875eb4aeb2a4833ff2349ac573bfd7f61b40c1649a3c23b43e74842dd

Aliases

arxiv: 1205.4299 · arxiv_version: 1205.4299v2 · doi: 10.48550/arxiv.1205.4299 · pith_short_12: 4BR7DGDV5NFO · pith_short_16: 4BR7DGDV5NFOWKSI · pith_short_8: 4BR7DGDV

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/4BR7DGDV5NFOWKSIGP7SGSNMK4 \
  | 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: e063f19875eb4aeb2a4833ff2349ac573bfd7f61b40c1649a3c23b43e74842dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f1b128d14985f654323eb6d546abbe58dfd9b0e8bd21cfa576e5b4272821a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-19T06:46:45Z",
    "title_canon_sha256": "99043b5f82db874fdfb72e8b2d2b64c8cd9763136c3d75db3bb36b22bc4f7f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4299",
    "kind": "arxiv",
    "version": 2
  }
}