Pith Number

pith:KNBIG3XY

pith:2012:KNBIG3XYWTSIUCFQP6JEJMICT6

not attested not anchored not stored refs pending

On Ricci solitons and twistorial harmonic morphisms

Paul Baird, Radu Pantilie

arxiv:1210.4688 v1 · 2012-10-17 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNBIG3XYWTSIUCFQP6JEJMICT6}

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	2026-05-18T03:42:56.408818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5342836ef8b4e48a08b07f9244b1029fae027471dde09f521e5601f3ce70a9a9

Aliases

arxiv: 1210.4688 · arxiv_version: 1210.4688v1 · doi: 10.48550/arxiv.1210.4688 · pith_short_12: KNBIG3XYWTSI · pith_short_16: KNBIG3XYWTSIUCFQ · pith_short_8: KNBIG3XY

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/KNBIG3XYWTSIUCFQP6JEJMICT6 \
  | 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: 5342836ef8b4e48a08b07f9244b1029fae027471dde09f521e5601f3ce70a9a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de8ae7c47c0a8e141e06e72795277994a4724f37e7aac7bb28eca539e27d2da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-17T10:34:48Z",
    "title_canon_sha256": "0460a1ca61a561d46d825a7621baed6ac8333121836b4237f3951c2ae0ef4fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4688",
    "kind": "arxiv",
    "version": 1
  }
}