Pith Number

pith:A6RXK5Y3

pith:2008:A6RXK5Y3R4WCIIR657JJ33C4PQ

not attested not anchored not stored refs pending

Linear perturbations of Hyperkahler metrics

Boris Pioline, Frank Saueressig, Sergei Alexandrov, Stefan Vandoren

arxiv:0806.4620 v4 · 2008-06-27 · hep-th · 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{A6RXK5Y3R4WCIIR657JJ33C4PQ}

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	2026-07-04T15:39:22.422130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07a375771b8f2c24223eefd29dec5c7c361521460012a8a7567bbd9cfacadd16

Aliases

arxiv: 0806.4620 · arxiv_version: 0806.4620v4 · doi: 10.48550/arxiv.0806.4620 · pith_short_12: A6RXK5Y3R4WC · pith_short_16: A6RXK5Y3R4WCIIR6 · pith_short_8: A6RXK5Y3

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/A6RXK5Y3R4WCIIR657JJ33C4PQ \
  | 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: 07a375771b8f2c24223eefd29dec5c7c361521460012a8a7567bbd9cfacadd16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31275801b472781b884727d3f9b6ba59d9740da773ef23dc2a745aa418fad10",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-06-27T21:28:11Z",
    "title_canon_sha256": "dc9edf68637c7d9484d1d23dac3503a7fb62fc3e5dd30cf7df98d64c836cd641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4620",
    "kind": "arxiv",
    "version": 4
  }
}