Pith Number

pith:DGSD5KI5

pith:2014:DGSD5KI5KI4CLG2WOMUCR2WUFS

not attested not anchored not stored refs pending

Integration of Coupling Dirac Structures

Olivier Brahic, Rui Loja Fernandes

arxiv:1409.7899 v2 · 2014-09-28 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGSD5KI5KI4CLG2WOMUCR2WUFS}

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	2026-05-18T01:22:21.733537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a43ea91d5238259b56732828ead42cbdae2cdd53c29703b9a39729bdd00713

Aliases

arxiv: 1409.7899 · arxiv_version: 1409.7899v2 · doi: 10.48550/arxiv.1409.7899 · pith_short_12: DGSD5KI5KI4C · pith_short_16: DGSD5KI5KI4CLG2W · pith_short_8: DGSD5KI5

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/DGSD5KI5KI4CLG2WOMUCR2WUFS \
  | 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: 19a43ea91d5238259b56732828ead42cbdae2cdd53c29703b9a39729bdd00713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90952ee11255ab75a19db3fcfbc59696ce84258f0ce54b2df12d3b4dff591f96",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-09-28T12:34:41Z",
    "title_canon_sha256": "d39a9cb6b928ea4db1956ff970e1a027d04df92ba4b5b18417bd68f61f361e75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7899",
    "kind": "arxiv",
    "version": 2
  }
}