Pith Number

pith:3MP7YGZM

pith:2009:3MP7YGZM3ZJKU2HJM7L24THYMT

not attested not anchored not stored refs pending

Neutrino mass from cosmology: Impact of high-accuracy measurement of the Hubble constant

Kazuhide Ichikawa, Lincoln Greenhill, Tomo Takahashi, Toyokazu Sekiguchi

arxiv:0911.0976 v1 · 2009-11-05 · astro-ph.CO · 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{3MP7YGZM3ZJKU2HJM7L24THYMT}

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	2026-05-18T02:34:11.890118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db1ffc1b2cde52aa68e967d7ae4cf864fdfc306f6a24331e663c68449b1eb507

Aliases

arxiv: 0911.0976 · arxiv_version: 0911.0976v1 · doi: 10.48550/arxiv.0911.0976 · pith_short_12: 3MP7YGZM3ZJK · pith_short_16: 3MP7YGZM3ZJKU2HJ · pith_short_8: 3MP7YGZM

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/3MP7YGZM3ZJKU2HJM7L24THYMT \
  | 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: db1ffc1b2cde52aa68e967d7ae4cf864fdfc306f6a24331e663c68449b1eb507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6ac76d5f8900abfaae419d4340ec807c9a438908347430226e588b0ed3bfea7",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-05T05:26:06Z",
    "title_canon_sha256": "6aef98b32d3322a4a6395d0c1178ac10e382b4e12dc4aea2d8f04e586c50256e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0976",
    "kind": "arxiv",
    "version": 1
  }
}