Pith Number

pith:EFE6QWXV

pith:2011:EFE6QWXVFBARKZSFIU5WIPQFPC

not attested not anchored not stored refs pending

New insights into the star formation histories of candidate intermediate-age early-type galaxies from K'-band imaging of globular clusters

(2) STScI, (3) Pontificia Universidad Catolica de Chile, Baltimore, Chile), Germany, Iskren Y. Georgiev (1), Paul Goudfrooij (2), Santiago, Thomas H. Puzia (3) ((1) AIfA Bonn, USA

arxiv:1111.1716 v2 · 2011-11-07 · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFE6QWXVFBARKZSFIU5WIPQFPC}

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	2026-05-18T01:59:44.248958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2149e85af52841156645453b643e0578a382735221bd7535637ea9800971de6c

Aliases

arxiv: 1111.1716 · arxiv_version: 1111.1716v2 · doi: 10.48550/arxiv.1111.1716 · pith_short_12: EFE6QWXVFBAR · pith_short_16: EFE6QWXVFBARKZSF · pith_short_8: EFE6QWXV

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/EFE6QWXVFBARKZSFIU5WIPQFPC \
  | 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: 2149e85af52841156645453b643e0578a382735221bd7535637ea9800971de6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7bf106f8b3def0a26623b4b200df9876c82b9572c3082a94ce3e09d4ec751c4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-07T21:00:00Z",
    "title_canon_sha256": "380bb8ba07e0747314d8e7de505fe889bed2d32d7b90dff89fb45d2c1aedbee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1716",
    "kind": "arxiv",
    "version": 2
  }
}