Pith Number

pith:QXSQOT6Z

pith:2020:QXSQOT6ZR4GQVCGS64VS3C4EX2

not attested not anchored not stored refs pending

RG flows of integrable $\sigma$-models and the twist function

Fran\c{c}ois Delduc, Konstantinos Sfetsos, Konstantinos Siampos, Sylvain Lacroix

arxiv:2010.07879 v2 · 2020-10-15 · hep-th · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXSQOT6ZR4GQVCGS64VS3C4EX2}

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	2026-07-05T02:13:51.945369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e5074fd98f0d0a88d2f72b2d8b84bea36c4cfc94434768bc1753de1a1d78d1

Aliases

arxiv: 2010.07879 · arxiv_version: 2010.07879v2 · doi: 10.48550/arxiv.2010.07879 · pith_short_12: QXSQOT6ZR4GQ · pith_short_16: QXSQOT6ZR4GQVCGS · pith_short_8: QXSQOT6Z

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/QXSQOT6ZR4GQVCGS64VS3C4EX2 \
  | 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: 85e5074fd98f0d0a88d2f72b2d8b84bea36c4cfc94434768bc1753de1a1d78d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5e58f260e4c388e05289cb5efb2c77bd5065c4cbebf587ba70a2dbeba852257",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-10-15T16:56:24Z",
    "title_canon_sha256": "15ae6e5628fa110f70ffc863f412d44cc6a24c145d5283817afe258359f2101d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07879",
    "kind": "arxiv",
    "version": 2
  }
}