Pith Number

pith:42LFVBOF

pith:2014:42LFVBOF5XNC2ZVRIBW5J5U6QR

not attested not anchored not stored refs pending

Symplectic instanton bundles on P3 and 't Hooft instantons

Alexander Tikhomirov, Dimitri Markushevich, Ugo Bruzzo

arxiv:1412.0638 v1 · 2014-12-01 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42LFVBOF5XNC2ZVRIBW5J5U6QR}

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	2026-05-18T00:36:25.055467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6965a85c5edda2d66b1406dd4f69e8467fc8e7a526f40189c96b7b85357170a

Aliases

arxiv: 1412.0638 · arxiv_version: 1412.0638v1 · doi: 10.48550/arxiv.1412.0638 · pith_short_12: 42LFVBOF5XNC · pith_short_16: 42LFVBOF5XNC2ZVR · pith_short_8: 42LFVBOF

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/42LFVBOF5XNC2ZVRIBW5J5U6QR \
  | 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: e6965a85c5edda2d66b1406dd4f69e8467fc8e7a526f40189c96b7b85357170a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5122f039620ff592f03c58e99e09e6718a00b00fd78aea1bd64cca34b6e3d39c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-12-01T20:43:36Z",
    "title_canon_sha256": "206704a75c1081ac7bc8826920b52ef7dc890e1941e6f430f8cd885b72d85fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0638",
    "kind": "arxiv",
    "version": 1
  }
}