Pith Number

pith:B4OKRNJL

pith:2013:B4OKRNJLZCRAEI2TWAMLVYTJSQ

not attested not anchored not stored refs pending

Generalized twistor spaces for hyperk\"ahler manifolds

Justin Sawon, Rebecca Glover

arxiv:1309.4759 v1 · 2013-09-18 · 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{B4OKRNJLZCRAEI2TWAMLVYTJSQ}

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	2026-05-18T01:25:47.806441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1ca8b52bc8a2022353b018bae26994347c90dc2c94b33ba3667b87c7435888

Aliases

arxiv: 1309.4759 · arxiv_version: 1309.4759v1 · doi: 10.48550/arxiv.1309.4759 · pith_short_12: B4OKRNJLZCRA · pith_short_16: B4OKRNJLZCRAEI2T · pith_short_8: B4OKRNJL

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/B4OKRNJLZCRAEI2TWAMLVYTJSQ \
  | 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: 0f1ca8b52bc8a2022353b018bae26994347c90dc2c94b33ba3667b87c7435888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b59120dcbd0860c4a530d799baa4b044c8617ae1b67733668c8cfca6f74a153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-18T19:22:52Z",
    "title_canon_sha256": "b199ad92339327f77033d60adf1226452932204cd0a44434f5f4a63846aed7d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4759",
    "kind": "arxiv",
    "version": 1
  }
}