Pith Number

pith:2J53KRQC

pith:2026:2J53KRQC6DAQUW7PPW7PLCRQ2J

not attested not anchored not stored refs pending

Probing the faint-end of simulated galaxy counts at z>3

Adriano Fontana, Emiliano Merlin, Flaminia Fortuni, Marco Castellano, Paola Santini

arxiv:2605.15893 v1 · 2026-05-15 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2J53KRQC6DAQUW7PPW7PLCRQ2J}

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	2026-05-20T00:01:24.144888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27bb54602f0c10a5bef7dbef58a30d27e168ff33b6deb2c8d9795e1714a0f9e

Aliases

arxiv: 2605.15893 · arxiv_version: 2605.15893v1 · doi: 10.48550/arxiv.2605.15893 · pith_short_12: 2J53KRQC6DAQ · pith_short_16: 2J53KRQC6DAQUW7P · pith_short_8: 2J53KRQC

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/2J53KRQC6DAQUW7PPW7PLCRQ2J \
  | 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: d27bb54602f0c10a5bef7dbef58a30d27e168ff33b6deb2c8d9795e1714a0f9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fba39400d922e088b1ace7e06a6c7bcd6f0f3db827d9663a5319ed277aa6933",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-15T12:22:12Z",
    "title_canon_sha256": "0c8631d6a9bd6c3d0613c67b5e1b90096a32ae13802b543a4611060788d93b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15893",
    "kind": "arxiv",
    "version": 1
  }
}