Pith Number

pith:GJVIHLSU

pith:2026:GJVIHLSUFLN72VFIIQZNWRIJI4

not attested not anchored not stored refs pending

Variability in Cosmological Hydrodynamical Simulations: how Stochastic Processes, Numerical Effects, and Reproducibility Limits impact Predictability

Antonio Ragagnin, Chaitra, Giuliano Taffoni, Giuseppe Murante, Milena Valentini, Stefano Borgani

arxiv:2606.18082 v1 · 2026-06-16 · 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{GJVIHLSUFLN72VFIIQZNWRIJI4}

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	2026-06-19T16:10:48.060755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

326a83ae542adbfd54a84432db45094718801516e6633fba72777cfedc7e45a7

Aliases

arxiv: 2606.18082 · arxiv_version: 2606.18082v1 · doi: 10.48550/arxiv.2606.18082 · pith_short_12: GJVIHLSUFLN7 · pith_short_16: GJVIHLSUFLN72VFI · pith_short_8: GJVIHLSU

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/GJVIHLSUFLN72VFIIQZNWRIJI4 \
  | 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: 326a83ae542adbfd54a84432db45094718801516e6633fba72777cfedc7e45a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9725b6d4ce6689fa06b54f0a9acd5a512375366bb47fccafe39bc543389ba853",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-16T15:46:19Z",
    "title_canon_sha256": "29f44c1b7e3aab9653dc2b2060f6963c08dc1644507a0356677bc27b4d3517e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18082",
    "kind": "arxiv",
    "version": 1
  }
}