Pith Number

pith:7WVGY6DE

pith:2013:7WVGY6DEJZUJYLWWTO4I3LCTZT

not attested not anchored not stored refs pending

Pushing down the Rumin complex to conformally symplectic quotients

Andreas Cap, Tomas Salac

arxiv:1312.2712 v2 · 2013-12-10 · 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{7WVGY6DEJZUJYLWWTO4I3LCTZT}

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	2026-05-18T01:32:01.340963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdaa6c78644e689c2ed69bb88dac53ccc20eb4ac20aea702ffbffce1f830bc9b

Aliases

arxiv: 1312.2712 · arxiv_version: 1312.2712v2 · doi: 10.48550/arxiv.1312.2712 · pith_short_12: 7WVGY6DEJZUJ · pith_short_16: 7WVGY6DEJZUJYLWW · pith_short_8: 7WVGY6DE

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/7WVGY6DEJZUJYLWWTO4I3LCTZT \
  | 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: fdaa6c78644e689c2ed69bb88dac53ccc20eb4ac20aea702ffbffce1f830bc9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ca9a566d25b162be3161cf1203ea558dd1742634f5f6ea61502bb3508374c3",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-10T08:29:37Z",
    "title_canon_sha256": "b9c60a70aa2422dd20a448827434bc436469f9b374842b8b8d206de0436bee05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2712",
    "kind": "arxiv",
    "version": 2
  }
}