Pith Number

pith:UTBJ6ENN

pith:2004:UTBJ6ENNTHC2DXBLV643UQKVNO

not attested not anchored not stored refs pending

Optimal observables and phase-space ambiguities

Felix Nagel, Otto Nachtmann

arxiv:hep-ph/0407224 v2 · 2004-07-20 · 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{UTBJ6ENNTHC2DXBLV643UQKVNO}

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	2026-05-18T04:13:36.167191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c29f11ad99c5a1dc2bafb9ba41556ba7ea0e757c322e4d74d3f55bcf5a07a1

Aliases

arxiv: hep-ph/0407224 · arxiv_version: hep-ph/0407224v2 · doi: 10.48550/arxiv.hep-ph/0407224 · pith_short_12: UTBJ6ENNTHC2 · pith_short_16: UTBJ6ENNTHC2DXBL · pith_short_8: UTBJ6ENN

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/UTBJ6ENNTHC2DXBLV643UQKVNO \
  | 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: a4c29f11ad99c5a1dc2bafb9ba41556ba7ea0e757c322e4d74d3f55bcf5a07a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "719dab16f6183c78369fdbb050fe4e9e4e5dff24e6e7546527abcfe1b6ee4e87",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2004-07-20T10:40:56Z",
    "title_canon_sha256": "c87cc425d160b1a8a6e2b0fb870449819f2d1f56b150800f6388806dc3269e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0407224",
    "kind": "arxiv",
    "version": 2
  }
}