Pith Number

pith:5333NXMX

pith:2021:5333NXMXF7P35ULF4ZOYGHQ32W

not attested not anchored not stored refs pending

Axial $U_A(1)$ Anomaly: a New Mechanism to Generate Massless Bosons

Vicente Azcoiti

arxiv:2101.06439 v2 · 2021-01-16 · hep-lat · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5333NXMXF7P35ULF4ZOYGHQ32W}

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.

Cited by

1 paper in Pith

Chiral and isospin breaking in the two-flavor Schwinger Model

Receipt and verification

First computed	2026-07-05T02:08:51.654540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef7b6dd972fdfbed165e65d831e1bd59e487acd40e651ef5a5ccaa2546312d8

Aliases

arxiv: 2101.06439 · arxiv_version: 2101.06439v2 · doi: 10.48550/arxiv.2101.06439 · pith_short_12: 5333NXMXF7P3 · pith_short_16: 5333NXMXF7P35ULF · pith_short_8: 5333NXMX

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/5333NXMXF7P35ULF4ZOYGHQ32W \
  | 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: eef7b6dd972fdfbed165e65d831e1bd59e487acd40e651ef5a5ccaa2546312d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f72957d75e181ae05999b0ea8855d45706bfbbc81cb390b56be15c5b790f9b",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2021-01-16T11:38:30Z",
    "title_canon_sha256": "f70db8ed519b0044d1049a95015ba604814e0bb53a078a2fac754b6708d77fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06439",
    "kind": "arxiv",
    "version": 2
  }
}