Pith Number

pith:RFTTOT5I

pith:2005:RFTTOT5IXJPCW4ZH4SOIOUH7EY

not attested not anchored not stored refs pending

Killing vector fields with twistor derivative

Andrei Moroianu (CMLS-EcolePolytechnique)

arxiv:math/0509662 v3 · 2005-09-28 · 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{RFTTOT5IXJPCW4ZH4SOIOUH7EY}

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	2026-05-17T23:56:49.182819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8967374fa8ba5e2b7327e49c8750ff263559400ca894a6f4e6fea2f00f984752

Aliases

arxiv: math/0509662 · arxiv_version: math/0509662v3 · doi: 10.48550/arxiv.math/0509662 · pith_short_12: RFTTOT5IXJPC · pith_short_16: RFTTOT5IXJPCW4ZH · pith_short_8: RFTTOT5I

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/RFTTOT5IXJPCW4ZH4SOIOUH7EY \
  | 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: 8967374fa8ba5e2b7327e49c8750ff263559400ca894a6f4e6fea2f00f984752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d08692ff3b5af28583b5cdac9d698f36d53cdfcaa456857d7c454e04f90cb9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2005-09-28T16:14:37Z",
    "title_canon_sha256": "c65c6c7fa7c75231fe13e45db861f6551c211924af1f2ec6c026cff3e750be30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0509662",
    "kind": "arxiv",
    "version": 3
  }
}