Pith Number

pith:QROJJVD4

pith:2017:QROJJVD4FPBPOGOBBI6OOPJXRV

not attested not anchored not stored refs pending

On a problem of Bharanedhar and Ponnusamy involving planar harmonic mappings

Antti Rasila, Yong Sun, Zhi-Gang Wang, Zhi-Hong Liu

arxiv:1703.09478 v2 · 2017-03-28 · math.CV

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

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	2026-05-18T00:37:42.039875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845c94d47c2bc2f719c10a3ce73d378d4eb9f6458aedd6d278fee267ddcc6f65

Aliases

arxiv: 1703.09478 · arxiv_version: 1703.09478v2 · doi: 10.48550/arxiv.1703.09478 · pith_short_12: QROJJVD4FPBP · pith_short_16: QROJJVD4FPBPOGOB · pith_short_8: QROJJVD4

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/QROJJVD4FPBPOGOBBI6OOPJXRV \
  | 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: 845c94d47c2bc2f719c10a3ce73d378d4eb9f6458aedd6d278fee267ddcc6f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "565e0972d045f1a2aa4d66f7cd5c96c52d3359719e65cbe5a62c6c22f9cce1b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-03-28T09:47:51Z",
    "title_canon_sha256": "6c78fb9c61d8c7ab218a779c6d747ca3c45406aa9d123ee720c5bf88a2b638fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09478",
    "kind": "arxiv",
    "version": 2
  }
}