Pith Number

pith:AC6UIKSJ

pith:2009:AC6UIKSJS7FY3JKZYXBFISFMBN

not attested not anchored not stored refs pending

Deciphering the Seesaw Nature of Neutrino Mass from Unitarity Violation

Ernest Ma (UC Riverside)

arxiv:0904.1580 v4 · 2009-04-09 · 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{AC6UIKSJS7FY3JKZYXBFISFMBN}

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	2026-05-18T04:36:08.981578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00bd442a4997cb8da559c5c25448ac0b48a8dca9b7d71c47faf8c898adf1366b

Aliases

arxiv: 0904.1580 · arxiv_version: 0904.1580v4 · doi: 10.48550/arxiv.0904.1580 · pith_short_12: AC6UIKSJS7FY · pith_short_16: AC6UIKSJS7FY3JKZ · pith_short_8: AC6UIKSJ

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/AC6UIKSJS7FY3JKZYXBFISFMBN \
  | 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: 00bd442a4997cb8da559c5c25448ac0b48a8dca9b7d71c47faf8c898adf1366b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409b9d8452be7a67114159e64f6688ba4d876b0af66e96c44f49f220c22441fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-04-09T18:31:20Z",
    "title_canon_sha256": "84c9af8cf2bc898549beb9c3876ded3dc18342fd91f5cbc549cbe6dbc4a7708e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1580",
    "kind": "arxiv",
    "version": 4
  }
}