Pith Number

pith:UHQ72TSY

pith:2013:UHQ72TSYH4DAJJBL7ZKMEHQ4UD

not attested not anchored not stored refs pending

A new population of recently quenched elliptical galaxies in the SDSS

(2) U. Michigan, (3) U. California-San Diego, (4) Yale University, (5) INAF-Osservatorio Astrofisico di Arcetri, (6) U. Heidelberg, (7) Massachusetts Institute of Technology), Allison M. Christian (7) ((1) U. Missouri-Kansas City, Andrew Cooper (1), Anna Gallazzi (5), Anna Pasquali (6), Cory Wagner (1), Daniel H. McIntosh (1), Dusan Keres (3), Eric F. Bell (2), Frank C. van den Bosch (4), Justin Mann (1), Tim Haines (1)

arxiv:1308.0054 v2 · 2013-07-31 · astro-ph.GA · 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{UHQ72TSYH4DAJJBL7ZKMEHQ4UD}

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	2026-05-18T01:48:31.947066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e1fd4e583f0604a42bfe54c21e1ca0c3a8f022e766c5e255d4d136aeca9235

Aliases

arxiv: 1308.0054 · arxiv_version: 1308.0054v2 · doi: 10.48550/arxiv.1308.0054 · pith_short_12: UHQ72TSYH4DA · pith_short_16: UHQ72TSYH4DAJJBL · pith_short_8: UHQ72TSY

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/UHQ72TSYH4DAJJBL7ZKMEHQ4UD \
  | 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: a1e1fd4e583f0604a42bfe54c21e1ca0c3a8f022e766c5e255d4d136aeca9235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa73ff1ab849591ed0e63c73880297c80eb6633f0c7046c2ef366cd48bb749fd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-31T22:28:18Z",
    "title_canon_sha256": "8160e46a34ddcc1780f0198141196b397a5540c81ca22fa1210917c5961bb189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0054",
    "kind": "arxiv",
    "version": 2
  }
}