Pith Number

pith:I7KXZVTK

pith:2016:I7KXZVTKAJ2KQNGP5XFDYTKSMY

not attested not anchored not stored refs pending

Parabolic conformally symplectic structures II; parabolic contactification

Andreas Cap, Tomas Salac

arxiv:1605.01897 v3 · 2016-05-06 · 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{I7KXZVTKAJ2KQNGP5XFDYTKSMY}

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	2026-05-18T00:05:20.021510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d57cd66a0274a834cfedca3c4d52660adab933da37e61fae60a972ef8b044e

Aliases

arxiv: 1605.01897 · arxiv_version: 1605.01897v3 · doi: 10.48550/arxiv.1605.01897 · pith_short_12: I7KXZVTKAJ2K · pith_short_16: I7KXZVTKAJ2KQNGP · pith_short_8: I7KXZVTK

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/I7KXZVTKAJ2KQNGP5XFDYTKSMY \
  | 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: 47d57cd66a0274a834cfedca3c4d52660adab933da37e61fae60a972ef8b044e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ee1161b9c599e0e1bbdab36dbceaac3ff96e4ae8c188673f2caaeea8e0c044",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-06T11:34:11Z",
    "title_canon_sha256": "a7ecc71b247725868e692afcffd31b95e2a22dae03051f210e9b553784926919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01897",
    "kind": "arxiv",
    "version": 3
  }
}