pith. sign in
Pith Number

pith:2JQGKZSW

pith:2015:2JQGKZSWLKMFASB3X5E4UIH4W6
not attested not anchored not stored refs pending

2D sigma models and differential Poisson algebras

Alexander Torres-Gomez, Cesar Arias, Nicolas Boulanger, Per Sundell

arxiv:1503.05625 v1 · 2015-03-19 · hep-th · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2JQGKZSWLKMFASB3X5E4UIH4W6}

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 2026-05-18T01:31:45.008119Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d2606566565a9850483bbf49ca20fcb7b4695402ea8eea3e6a501ed76c697324

Aliases

arxiv: 1503.05625 · arxiv_version: 1503.05625v1 · doi: 10.48550/arxiv.1503.05625 · pith_short_12: 2JQGKZSWLKMF · pith_short_16: 2JQGKZSWLKMFASB3 · pith_short_8: 2JQGKZSW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2JQGKZSWLKMFASB3X5E4UIH4W6 \
  | 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: d2606566565a9850483bbf49ca20fcb7b4695402ea8eea3e6a501ed76c697324
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b29bd0443ab18ad0f4b3ae6a130d4059bc811b4acb3dd8e45a26fb1ee81a3b0f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-19T01:21:12Z",
    "title_canon_sha256": "e4679a29a861759f7f323a2faf0fae012e39ae00bc02618f53937f29e392f3db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05625",
    "kind": "arxiv",
    "version": 1
  }
}