Pith Number

pith:5IZVZ5YY

pith:2008:5IZVZ5YYJRQSRTDRMFMORLKAE6

not attested not anchored not stored refs pending

Stationary condition in a perturbative approach for mass varying neutrinos

Alex E. Bernardini, O. Bertolami

arxiv:0802.4449 v2 · 2008-02-29 · 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{5IZVZ5YYJRQSRTDRMFMORLKAE6}

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	2026-05-18T02:35:23.224943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea335cf7184c6128cc716158e8ad4027a1af16de200b9d44901cce250716af87

Aliases

arxiv: 0802.4449 · arxiv_version: 0802.4449v2 · doi: 10.48550/arxiv.0802.4449 · pith_short_12: 5IZVZ5YYJRQS · pith_short_16: 5IZVZ5YYJRQSRTDR · pith_short_8: 5IZVZ5YY

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/5IZVZ5YYJRQSRTDRMFMORLKAE6 \
  | 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: ea335cf7184c6128cc716158e8ad4027a1af16de200b9d44901cce250716af87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0cb5e7330afc1161241900e40b23ee6ce464a1bebf666a2f2807a331dfd953c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-02-29T19:01:39Z",
    "title_canon_sha256": "f055975d4389f6d53a8563a3f8d79167f9f00be226a7b947c1a41d766a758bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4449",
    "kind": "arxiv",
    "version": 2
  }
}