Pith Number

pith:P2GQWSK7

pith:2015:P2GQWSK7XEWR4FTLQSCZDGS6YB

not attested not anchored not stored refs pending

A supervised machine learning estimator for the non-linear matter power spectrum - SEMPS

Irshad Mohammed, Janu Verma

arxiv:1507.04622 v1 · 2015-07-16 · 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{P2GQWSK7XEWR4FTLQSCZDGS6YB}

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	2026-05-18T01:36:46.843344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e8d0b495fb92d1e166b8485919a5ec06ceddb1fc29792868740a49df9d36b29

Aliases

arxiv: 1507.04622 · arxiv_version: 1507.04622v1 · doi: 10.48550/arxiv.1507.04622 · pith_short_12: P2GQWSK7XEWR · pith_short_16: P2GQWSK7XEWR4FTL · pith_short_8: P2GQWSK7

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/P2GQWSK7XEWR4FTLQSCZDGS6YB \
  | 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: 7e8d0b495fb92d1e166b8485919a5ec06ceddb1fc29792868740a49df9d36b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12abdf38ac41b990bfab8e94b38f76276e7c38313036ab33647b0b49917e8deb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-07-16T15:32:47Z",
    "title_canon_sha256": "2a9db4a8e08912cea4840b79c9e8f14763a4e3157dbb56d018bf46115627cbec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04622",
    "kind": "arxiv",
    "version": 1
  }
}