Pith Number

pith:VZVWHP3J

pith:2019:VZVWHP3JX47MZFJHBR2K7KY7LW

not attested not anchored not stored refs pending

The XXL Survey: XXXVII. The role of the environment in shaping the stellar population properties of galaxies at 0.1<z<0.5

B. M. Poggianti, B. Vulcani, C. Adami, J. Fritz, M. Bolzonella, M. Pierre, S. Fotopoulou, S. Maurogordato, V. Guglielmo

arxiv:1903.12293 v1 · 2019-03-28 · 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{VZVWHP3JX47MZFJHBR2K7KY7LW}

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	2026-05-17T23:44:54.751461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae6b63bf69bf3ecc95270c74afab1f5d84d56afcde0fd9a8a3ab7ccab2018a0d

Aliases

arxiv: 1903.12293 · arxiv_version: 1903.12293v1 · doi: 10.48550/arxiv.1903.12293 · pith_short_12: VZVWHP3JX47M · pith_short_16: VZVWHP3JX47MZFJH · pith_short_8: VZVWHP3J

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/VZVWHP3JX47MZFJHBR2K7KY7LW \
  | 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: ae6b63bf69bf3ecc95270c74afab1f5d84d56afcde0fd9a8a3ab7ccab2018a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0691fc04a52decd5c58061a860e9bf595741c0268e33d10066a56afc59b52af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-28T22:32:41Z",
    "title_canon_sha256": "3e7f3392ac21786a784e316f4d2ab12438b4b30b1a0a65fc4474ed667e024455"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12293",
    "kind": "arxiv",
    "version": 1
  }
}