Pith Number

pith:A4K2UJHD

pith:2026:A4K2UJHDYJAM4PY4CF4P5WYMBA

not attested not anchored not stored refs pending

Counting Degrees of Freedom in Open Effective Theories

Enrica Lausdei, Enrico Pajer

arxiv:2605.23375 v1 · 2026-05-22 · 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{A4K2UJHDYJAM4PY4CF4P5WYMBA}

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	2026-05-25T02:01:51.461901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0715aa24e3c240ce3f1c1178fedb0c0823621722a449100362977fcd31f0ae5b

Aliases

arxiv: 2605.23375 · arxiv_version: 2605.23375v1 · doi: 10.48550/arxiv.2605.23375 · pith_short_12: A4K2UJHDYJAM · pith_short_16: A4K2UJHDYJAM4PY4 · pith_short_8: A4K2UJHD

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/A4K2UJHDYJAM4PY4CF4P5WYMBA \
  | 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: 0715aa24e3c240ce3f1c1178fedb0c0823621722a449100362977fcd31f0ae5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba1127a3b94c013745c30d0a66b9f684a2066bde325706e3ffbd10960a963d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-05-22T08:41:02Z",
    "title_canon_sha256": "694b1f9a0ebbad0f8aca663053cf4c605a70cf7c9326510eb3338eb15f5aac95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23375",
    "kind": "arxiv",
    "version": 1
  }
}