Pith Number

pith:MHQJL5IW

pith:2008:MHQJL5IWUCYAOV67W7QBGHSO3C

not attested not anchored not stored refs pending

Duality Rotations in Nonlinear Electrodynamics and in Extended Supergravity

Bruno Zumino, Paolo Aschieri, Sergio Ferrara

arxiv:0807.4039 v2 · 2008-07-25 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHQJL5IWUCYAOV67W7QBGHSO3C}

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	2026-05-18T02:35:15.481145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61e095f516a0b00757dfb7e0131e4ed8a51cf227cd66d1dd16e138e71b76fa8a

Aliases

arxiv: 0807.4039 · arxiv_version: 0807.4039v2 · doi: 10.48550/arxiv.0807.4039 · pith_short_12: MHQJL5IWUCYA · pith_short_16: MHQJL5IWUCYAOV67 · pith_short_8: MHQJL5IW

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/MHQJL5IWUCYAOV67W7QBGHSO3C \
  | 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: 61e095f516a0b00757dfb7e0131e4ed8a51cf227cd66d1dd16e138e71b76fa8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3e787c992919a647c2af948e7151e3b5529bebc2fd65c970e78f73ed85d81ae",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-07-25T09:42:46Z",
    "title_canon_sha256": "7febf606bed804c4d31cf7c157a1dd8d4b94f90107128f2a589ca9c386fe6305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4039",
    "kind": "arxiv",
    "version": 2
  }
}