Pith Number

pith:4LGM2UOX

pith:2021:4LGM2UOXTDNQIGI5DVLFIM6PPF

not attested not anchored not stored refs pending

An ancient massive quiescent galaxy found in a gas-rich z ~ 3 group

Annagrazia Puglisi, Boris S. Kalita, Carlos G\'omez-Guijarro, Chiara D'Eugenio, David Elbaz, Emanuele Daddi, Francesco Valentino, Ivan Delvecchio, James D. Neill, R. Michael Rich, Rosemary T. Coogan, Veronica Strazzullo

arxiv:2107.13241 v1 · 2021-07-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LGM2UOXTDNQIGI5DVLFIM6PPF}

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	2026-07-05T03:08:37.449037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2cccd51d798db04191d1d565433cf79421d6c05cd0f0c157e5dc6c2cab509a1

Aliases

arxiv: 2107.13241 · arxiv_version: 2107.13241v1 · doi: 10.48550/arxiv.2107.13241 · pith_short_12: 4LGM2UOXTDNQ · pith_short_16: 4LGM2UOXTDNQIGI5 · pith_short_8: 4LGM2UOX

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/4LGM2UOXTDNQIGI5DVLFIM6PPF \
  | 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: e2cccd51d798db04191d1d565433cf79421d6c05cd0f0c157e5dc6c2cab509a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92a7da14a4c7401bf09be2011a780254b11d0bfb09f157fc22a0a1e003aa3e69",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-28T09:54:21Z",
    "title_canon_sha256": "1e187fe71b065bc1d755074bfd8cbc5d0f3970ef28527c7b4671f3e352e6a27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13241",
    "kind": "arxiv",
    "version": 1
  }
}