Pith Number

pith:4D6H6UGP

pith:2015:4D6H6UGPTVBDTFO4WQH2J67S2H

not attested not anchored not stored refs pending

Naturalness redux

Alfredo Urbano, Marco Fabbrichesi

arxiv:1504.05403 v2 · 2015-04-21 · 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{4D6H6UGPTVBDTFO4WQH2J67S2H}

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	2026-05-18T01:35:54.586159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0fc7f50cf9d423995dcb40fa4fbf2d1e6c2ec1856bd37499639ff3b44be0021

Aliases

arxiv: 1504.05403 · arxiv_version: 1504.05403v2 · doi: 10.48550/arxiv.1504.05403 · pith_short_12: 4D6H6UGPTVBD · pith_short_16: 4D6H6UGPTVBDTFO4 · pith_short_8: 4D6H6UGP

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/4D6H6UGPTVBDTFO4WQH2J67S2H \
  | 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: e0fc7f50cf9d423995dcb40fa4fbf2d1e6c2ec1856bd37499639ff3b44be0021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d158bb500ff095817137242431b674c46e90f5ffd753beb064a411b5308cf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-04-21T12:28:03Z",
    "title_canon_sha256": "3c17a239bba6d5a37eee50199c26bc04f2bcaa497fc7cdd1f47fd6088ef1d7e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05403",
    "kind": "arxiv",
    "version": 2
  }
}