Pith Number

pith:2MTCEV3F

pith:1997:2MTCEV3FUZRHNSP5GI6XPOA4NS

not attested not anchored not stored refs pending

The phase diagram of the $U(2) \times U(2)$ Sigma Model and its Implications for Chiral Hierarchies

A. Travesset (Universitat de Barcelona), D. Espriu, V. Koulovassilopoulos

arxiv:hep-lat/9705027 v1 · 1997-05-21 · hep-lat · 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{2MTCEV3FUZRHNSP5GI6XPOA4NS}

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	2026-05-18T02:37:19.729224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d326225765a66276c9fd323d77b81c6cbb4bb68f51aff76da68f2e5d5a3d19f6

Aliases

arxiv: hep-lat/9705027 · arxiv_version: hep-lat/9705027v1 · doi: 10.48550/arxiv.hep-lat/9705027 · pith_short_12: 2MTCEV3FUZRH · pith_short_16: 2MTCEV3FUZRHNSP5 · pith_short_8: 2MTCEV3F

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/2MTCEV3FUZRHNSP5GI6XPOA4NS \
  | 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: d326225765a66276c9fd323d77b81c6cbb4bb68f51aff76da68f2e5d5a3d19f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e1f8a2ea186dd6d5b2a956588ae6667d58674cc290779e93771e56d4ddfd64a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-lat",
    "submitted_at": "1997-05-21T16:46:13Z",
    "title_canon_sha256": "f27d83d4d2893501d9ec256ce5458d198405356b01a823582c9bc0a0da97c202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-lat/9705027",
    "kind": "arxiv",
    "version": 1
  }
}