Pith Number

pith:WC6SG56B

pith:2012:WC6SG56BCP2DAYKVLMRTHX2SFI

not attested not anchored not stored refs pending

Extended Symmetries and Poisson Algebras Associated to Twisted Dirac Structures

Alexander Cardona

arxiv:1207.7126 v1 · 2012-07-30 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WC6SG56BCP2DAYKVLMRTHX2SFI}

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	2026-05-18T03:49:46.685634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0bd2377c113f43061555b2333df522a30f1da8ced0156d34bd412e75cbf3202

Aliases

arxiv: 1207.7126 · arxiv_version: 1207.7126v1 · doi: 10.48550/arxiv.1207.7126 · pith_short_12: WC6SG56BCP2D · pith_short_16: WC6SG56BCP2DAYKV · pith_short_8: WC6SG56B

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/WC6SG56BCP2DAYKVLMRTHX2SFI \
  | 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: b0bd2377c113f43061555b2333df522a30f1da8ced0156d34bd412e75cbf3202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2281c3d5eda965cfada0b34b3e79a562eb062346302271f52c62dbc26942ea13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-07-30T22:46:05Z",
    "title_canon_sha256": "b00915c10f835ac3272c13bc59689518543bd23edd120ce37a65417bde0ad792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7126",
    "kind": "arxiv",
    "version": 1
  }
}