Pith Number

pith:4F7VKZ3U

pith:2012:4F7VKZ3UEB2JBLMQVXNC5P6XDS

not attested not anchored not stored refs pending

Counting Exceptional Instantons

Christoph A. Keller, Jaewon Song

arxiv:1205.4722 v2 · 2012-05-21 · hep-th · 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{4F7VKZ3UEB2JBLMQVXNC5P6XDS}

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.

Cited by

1 paper in Pith

Instantons from Blow-up

Receipt and verification

First computed	2026-05-18T01:57:24.844788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17f556774207490ad90adda2ebfd71c9f6fc47377586b3183b08fb6d8ecfdd1

Aliases

arxiv: 1205.4722 · arxiv_version: 1205.4722v2 · doi: 10.48550/arxiv.1205.4722 · pith_short_12: 4F7VKZ3UEB2J · pith_short_16: 4F7VKZ3UEB2JBLMQ · pith_short_8: 4F7VKZ3U

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/4F7VKZ3UEB2JBLMQVXNC5P6XDS \
  | 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: e17f556774207490ad90adda2ebfd71c9f6fc47377586b3183b08fb6d8ecfdd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f6a3ab6246fb930f1788a1eb72966c3ef14a7fd94a2410e8ee546ce6ab15926",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-05-21T20:00:06Z",
    "title_canon_sha256": "ec0db39f020e36fdffd9b418e784a63311af6d7438c9282b90a20e653b72baee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4722",
    "kind": "arxiv",
    "version": 2
  }
}