Pith Number

pith:BKOACBUR

pith:2019:BKOACBURIPVKRKVF3IAIOE2AGL

not attested not anchored not stored refs pending

Integrable Geometric Flows for Curves in the Pseudoconformal 3-Sphere

Annalisa Calini, Thomas Ivey

arxiv:1908.02722 v1 · 2019-08-07 · math.DG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKOACBURIPVKRKVF3IAIOE2AGL}

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	2026-07-04T23:52:11.597716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9c01069143eaa8aaa5da0087134032ef260d12d8205517b3923e7df9b56d69

Aliases

arxiv: 1908.02722 · arxiv_version: 1908.02722v1 · doi: 10.48550/arxiv.1908.02722 · pith_short_12: BKOACBURIPVK · pith_short_16: BKOACBURIPVKRKVF · pith_short_8: BKOACBUR

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/BKOACBURIPVKRKVF3IAIOE2AGL \
  | 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: 0a9c01069143eaa8aaa5da0087134032ef260d12d8205517b3923e7df9b56d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8690269b59f6f1a44b0ed13d8c8fb09159b1440343e0a89ad480008a0cdb8d",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-07T16:55:07Z",
    "title_canon_sha256": "680dfa03b9017cd18f0502d1b0fd2cff22fa018040e49bd628a5d35daefc711b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02722",
    "kind": "arxiv",
    "version": 1
  }
}