Pith Number

pith:W4RUF4R2

pith:2011:W4RUF4R2QP4FGNQWR627VLWPKT

not attested not anchored not stored refs pending

ACCESS IV: The quenching of star formation in a cluster population of dusty S0s

A. Gargiulo, C. P. Haines, F. La Barbera, G. Busarello, G. P. Smith, M. A. Dopita, P. Merluzzi, R. J. Smith, S. Raychaudhury

arxiv:1107.3577 v1 · 2011-07-18 · 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{W4RUF4R2QP4FGNQWR627VLWPKT}

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	2026-05-18T02:01:15.222870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72342f23a83f85336168fb5faaecf54e6c9f9dbf10fd980b0d6c97e749bc56e

Aliases

arxiv: 1107.3577 · arxiv_version: 1107.3577v1 · doi: 10.48550/arxiv.1107.3577 · pith_short_12: W4RUF4R2QP4F · pith_short_16: W4RUF4R2QP4FGNQW · pith_short_8: W4RUF4R2

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/W4RUF4R2QP4FGNQWR627VLWPKT \
  | 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: b72342f23a83f85336168fb5faaecf54e6c9f9dbf10fd980b0d6c97e749bc56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97f199f922e5c03388b5b41e059205dadcd0332e1755be11d9d2d030efe3479",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-18T21:03:21Z",
    "title_canon_sha256": "dab192fe323a862eb095a931874a7839de2d1752390769ccc53b9d843a1f0e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3577",
    "kind": "arxiv",
    "version": 1
  }
}