Pith Number

pith:KZ25JBZZ

pith:2016:KZ25JBZZ4QDTFSUPQH6XXDTFAA

not attested not anchored not stored refs pending

A Stringent Limit on the Warm Dark Matter Particle Masses from the Abundance of z=6 Galaxies in the Hubble Frontier Fields

2-Observatoire de Paris, A. Grazian (1), M. Castellano (1), N.G. Sanchez (2) (1-INAF Osservatorio Astronomico di Roma, N. Menci (1), Sorbonne Universite, UPMC Univ. Paris 6)

arxiv:1606.02530 v3 · 2016-06-08 · astro-ph.CO · astro-ph.GA · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZ25JBZZ4QDTFSUPQH6XXDTFAA}

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	2026-05-18T01:11:47.803783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5675d48739e40732ca8f81fd7b8e6500165b1114b6835e3971fa32dd9bda1d6a

Aliases

arxiv: 1606.02530 · arxiv_version: 1606.02530v3 · doi: 10.48550/arxiv.1606.02530 · pith_short_12: KZ25JBZZ4QDT · pith_short_16: KZ25JBZZ4QDTFSUP · pith_short_8: KZ25JBZZ

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/KZ25JBZZ4QDTFSUPQH6XXDTFAA \
  | 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: 5675d48739e40732ca8f81fd7b8e6500165b1114b6835e3971fa32dd9bda1d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315e5d1cfbca9ec0fe57e51d1773378b9b78f5a77ce879b65bd36cc3456ea85e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-06-08T12:46:32Z",
    "title_canon_sha256": "1db74b506206c0039b50e24380be82747519767873d9cc086e2ecd917b02c75a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02530",
    "kind": "arxiv",
    "version": 3
  }
}