Pith Number

pith:FH7OBZCP

pith:2018:FH7OBZCPOYC7MMOYG4SS7BTDCT

not attested not anchored not stored refs pending

Comment on "keV Neutrino Dark Matter in a Fast Expanding Universe" by Biswas et al

Nicolas Fernandez, Stefano Profumo

arxiv:1810.06795 v1 · 2018-10-16 · hep-ph · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FH7OBZCPOYC7MMOYG4SS7BTDCT}

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	2026-05-17T23:56:33.407735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29fee0e44f7605f631d837252f866314cb6e67e0b7bff9bc9c08c41acd5ebeaf

Aliases

arxiv: 1810.06795 · arxiv_version: 1810.06795v1 · doi: 10.48550/arxiv.1810.06795 · pith_short_12: FH7OBZCPOYC7 · pith_short_16: FH7OBZCPOYC7MMOY · pith_short_8: FH7OBZCP

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/FH7OBZCPOYC7MMOYG4SS7BTDCT \
  | 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: 29fee0e44f7605f631d837252f866314cb6e67e0b7bff9bc9c08c41acd5ebeaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3293eb5acc4b2b3e0f7988f1565362670085b23f422d2a5c7b092b89d41d690b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-10-16T02:54:55Z",
    "title_canon_sha256": "a24a45743d0898e5f031742cdf8ff44740445b1580de590817ac3d826262b339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06795",
    "kind": "arxiv",
    "version": 1
  }
}