Pith Number

pith:NW5VG4JH

pith:2011:NW5VG4JHVY2DSHSP3TQWIO3CL3

not attested not anchored not stored refs pending

Instantons and Killing spinors

Christoph N\"olle, Derek Harland

arxiv:1109.3552 v2 · 2011-09-16 · hep-th · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NW5VG4JHVY2DSHSP3TQWIO3CL3}

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	2026-05-18T02:21:36.699122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbb537127ae34391e4fdce1643b625ef97821b808339d774e8f09b8ee486ddd

Aliases

arxiv: 1109.3552 · arxiv_version: 1109.3552v2 · doi: 10.48550/arxiv.1109.3552 · pith_short_12: NW5VG4JHVY2D · pith_short_16: NW5VG4JHVY2DSHSP · pith_short_8: NW5VG4JH

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/NW5VG4JHVY2DSHSP3TQWIO3CL3 \
  | 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: 6dbb537127ae34391e4fdce1643b625ef97821b808339d774e8f09b8ee486ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b7b3fc1f02a463415fea57b1b89fa9863636c3f10131cb97fd3735a41b4ff9",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-09-16T08:57:56Z",
    "title_canon_sha256": "9c82ae0471b86cb7191d149b185b858505a6621df941ae6b1fd9c85df8495f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3552",
    "kind": "arxiv",
    "version": 2
  }
}