Pith Number

pith:JIYWQGC7

pith:2013:JIYWQGC7PU3BUGKK6SAAYUGQDF

not attested not anchored not stored refs pending

How dead are dead galaxies? Mid-Infrared fluxes of quiescent galaxies at redshift 0.3 < z < 2.5: implications for star formation rates and dust heating

Britt Lundgren, Camilla Pacifici, Danilo Marchesini, David Wake, Elisabete da Cunha, Erica Nelson, Gabriel Brammer, Hans-Walter Rix, Ivelina Momcheva, Ivo Labbe, Katherine E. Whitaker, Marijn Franx, Mariska Kriek, Mattia Fumagalli, Michael Maseda, Natascha M. Forster Schreiber, Pieter van Dokkum, Rosalind E. Skelton, Ryan Quadri, Shannon G. Patel

arxiv:1308.4132 v2 · 2013-08-19 · 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{JIYWQGC7PU3BUGKK6SAAYUGQDF}

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	2026-05-18T01:48:13.858051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a3168185f7d361a194af4800c50d01953e2a8e9e33783d5b9f2ad61bec458c5

Aliases

arxiv: 1308.4132 · arxiv_version: 1308.4132v2 · doi: 10.48550/arxiv.1308.4132 · pith_short_12: JIYWQGC7PU3B · pith_short_16: JIYWQGC7PU3BUGKK · pith_short_8: JIYWQGC7

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/JIYWQGC7PU3BUGKK6SAAYUGQDF \
  | 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: 4a3168185f7d361a194af4800c50d01953e2a8e9e33783d5b9f2ad61bec458c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c92243a5d6b132d7682afcad6effc0c19bb3613a2db830e04e5026ab25724f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-19T20:00:00Z",
    "title_canon_sha256": "b79431033525f99630f7931b99bc9bf20f4d2e2e6fb34299233b8f58920c6f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4132",
    "kind": "arxiv",
    "version": 2
  }
}