Pith Number

pith:GN3SWVRL

pith:2013:GN3SWVRLFLPECJIE7TK4RSVVBQ

not attested not anchored not stored refs pending

Stellar populations and evolution of early-type cluster galaxies: Constraints from optical imaging and spectroscopy of z=0.5-0.9 galaxy clusters

Inger Jorgensen, Kristin Chiboucas (Gemini Observatory)

arxiv:1301.3177 v1 · 2013-01-14 · 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{GN3SWVRLFLPECJIE7TK4RSVVBQ}

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	2026-05-18T03:32:19.703076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33772b562b2ade412504fcd5c8cab50c19e2e888a4c26f889ed00915d61f4fd9

Aliases

arxiv: 1301.3177 · arxiv_version: 1301.3177v1 · doi: 10.48550/arxiv.1301.3177 · pith_short_12: GN3SWVRLFLPE · pith_short_16: GN3SWVRLFLPECJIE · pith_short_8: GN3SWVRL

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/GN3SWVRLFLPECJIE7TK4RSVVBQ \
  | 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: 33772b562b2ade412504fcd5c8cab50c19e2e888a4c26f889ed00915d61f4fd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6eca1c19afbc293413bba2e96bead08a69ff8bd5a362e8e960a230d1d496c41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-14T22:49:56Z",
    "title_canon_sha256": "3f3348c6a1d30be5c165a647d2314c9885cd16451cd0cc345eefb0e0a1644b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3177",
    "kind": "arxiv",
    "version": 1
  }
}