Pith Number

pith:VFY3Y55R

pith:2026:VFY3Y55R4M4BUK4ME5BLZTBSAQ

not attested not anchored not stored refs pending

The Three Hundred project: Low Gas Fraction Clusters properties and their environment

Antonio Ferragamo, Elena Rasia, Francesco Guidi, Gustavo Yepes, Hippolyte Froget, Marco De Petris, Raphael Wicker, Sara Santoni, Stefano Andreon, Weiguang Cui

arxiv:2607.12607 v1 · 2026-07-14 · 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{VFY3Y55R4M4BUK4ME5BLZTBSAQ}

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	2026-07-15T01:22:06.485264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135

Aliases

arxiv: 2607.12607 · arxiv_version: 2607.12607v1 · doi: 10.48550/arxiv.2607.12607 · pith_short_12: VFY3Y55R4M4B · pith_short_16: VFY3Y55R4M4BUK4M · pith_short_8: VFY3Y55R

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/VFY3Y55R4M4BUK4ME5BLZTBSAQ \
  | 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: a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c016a92c39226307ef4a6f503d660d66a9eab8f62f3d3b00e37ce93ae16bb10",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-14T10:35:20Z",
    "title_canon_sha256": "8c338dfb1bdbd14074e8279c0b3bcec9eaa945588b705ed1c0535e82e821d88f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12607",
    "kind": "arxiv",
    "version": 1
  }
}