Pith Number

pith:DDDCWNY4

pith:2012:DDDCWNY4MSAJ5IFYEOHNB5FPZJ

not attested not anchored not stored refs pending

Harmonic Maps and Hypersymplectic Geometry

Markus R\"oser

arxiv:1210.8371 v4 · 2012-10-31 · math.DG · 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{DDDCWNY4MSAJ5IFYEOHNB5FPZJ}

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	2026-05-18T02:59:06.435853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c62b371c64809ea0b8238ed0f4afca7a201f34b712373176d3a29802bf1ed5

Aliases

arxiv: 1210.8371 · arxiv_version: 1210.8371v4 · doi: 10.48550/arxiv.1210.8371 · pith_short_12: DDDCWNY4MSAJ · pith_short_16: DDDCWNY4MSAJ5IFY · pith_short_8: DDDCWNY4

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/DDDCWNY4MSAJ5IFYEOHNB5FPZJ \
  | 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: 18c62b371c64809ea0b8238ed0f4afca7a201f34b712373176d3a29802bf1ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9d0f948c5ceba2bc9e2b95b0eb73876a80f26b9f4bc49b806cc41a6113eb03",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-31T15:41:50Z",
    "title_canon_sha256": "002daccd0b30ecdf0f897c67e62703a210d28df374fcc1110c7edfdf9ab963a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8371",
    "kind": "arxiv",
    "version": 4
  }
}