Pith Number

pith:326K4OAJ

pith:2003:326K4OAJQMEPKEXCFEQ5FSVPPM

not attested not anchored not stored refs pending

Determining Neutrino Mass from the CMB Alone

Lloyd Knox, Manoj Kaplinghat, Yong-Seon Song

arxiv:astro-ph/0303344 v3 · 2003-03-17 · astro-ph · 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{326K4OAJQMEPKEXCFEQ5FSVPPM}

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	2026-07-04T17:27:01.176248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debcae38098308f512e22921d2caaf7b033df0c209c0c339be9e66d2f95d4c4d

Aliases

arxiv: astro-ph/0303344 · arxiv_version: astro-ph/0303344v3 · doi: 10.48550/arxiv.astro-ph/0303344 · pith_short_12: 326K4OAJQMEP · pith_short_16: 326K4OAJQMEPKEXC · pith_short_8: 326K4OAJ

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/326K4OAJQMEPKEXCFEQ5FSVPPM \
  | 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: debcae38098308f512e22921d2caaf7b033df0c209c0c339be9e66d2f95d4c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3746704b38f12e9fe6a8b123efbcd3b32da0e0b57e591949ddd4c3c1728e874e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-17T20:54:07Z",
    "title_canon_sha256": "0222b2edc9c7bc9d3741707dd0ba966b240c34bfd7753e0f77b5c65483062d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303344",
    "kind": "arxiv",
    "version": 3
  }
}