Pith Number

pith:QVCW3ID5

pith:2018:QVCW3ID5TEGSY2WVGEQ6VZDN2B

not attested not anchored not stored refs pending

Tracing the Quenching History in Galaxy Clusters in the EAGLE Simulation

Diego Pallero, D. Olave-Rojas, Facundo A. G\'omez, Nelson D. Padilla, P. Cerulo, R. Demarco, S. Torres-Flores

arxiv:1812.08802 v2 · 2018-12-20 · 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{QVCW3ID5TEGSY2WVGEQ6VZDN2B}

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	2026-05-17T23:41:12.417573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85456da07d990d2c6ad53121eae46dd076917ab3735732e9bf390c2cec2d47f1

Aliases

arxiv: 1812.08802 · arxiv_version: 1812.08802v2 · doi: 10.48550/arxiv.1812.08802 · pith_short_12: QVCW3ID5TEGS · pith_short_16: QVCW3ID5TEGSY2WV · pith_short_8: QVCW3ID5

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/QVCW3ID5TEGSY2WVGEQ6VZDN2B \
  | 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: 85456da07d990d2c6ad53121eae46dd076917ab3735732e9bf390c2cec2d47f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52dbe8b4043a7524d5b7d16a83f5b4bbaf35888a577954ccd3b5967325242fad",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-20T19:01:54Z",
    "title_canon_sha256": "b34ce79089e666b41b34ebe2b2a028aed0ec32e15d2cb52741950fde2fba5f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08802",
    "kind": "arxiv",
    "version": 2
  }
}