Pith Number

pith:3YRCZT2K

pith:2010:3YRCZT2K4L52DQFDPE4UWXCAMT

not attested not anchored not stored refs pending

Hidden Yangian symmetry in sigma model on squashed sphere

Io Kawaguchi, Kentaroh Yoshida

arxiv:1008.0776 v2 · 2010-08-04 · hep-th · math-ph · math.MP

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

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

On Cosmological Singularities in String Theory

Receipt and verification

First computed	2026-05-18T04:36:08.472878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de222ccf4ae2fba1c0a379394b5c4064eced49edbdf70b534e850c92676929ba

Aliases

arxiv: 1008.0776 · arxiv_version: 1008.0776v2 · doi: 10.48550/arxiv.1008.0776 · pith_short_12: 3YRCZT2K4L52 · pith_short_16: 3YRCZT2K4L52DQFD · pith_short_8: 3YRCZT2K

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/3YRCZT2K4L52DQFDPE4UWXCAMT \
  | 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: de222ccf4ae2fba1c0a379394b5c4064eced49edbdf70b534e850c92676929ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9985001195c317d97ce67d24d4976ee4247823168602c877b132aa19b33b7f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-08-04T13:39:07Z",
    "title_canon_sha256": "7b9d69b24b24958d2cd2e1aa46b7c15871d0df5142b6df6583beff4bca5d9330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0776",
    "kind": "arxiv",
    "version": 2
  }
}