Pith Number

pith:KR3JBX4D

pith:2012:KR3JBX4DLH34OACKJFUN7MJZTZ

not attested not anchored not stored refs pending

Refined Chern-Simons theory and Hilbert schemes of points on the plane

Hiraku Nakajima

arxiv:1211.5821 v2 · 2012-11-25 · math.AG · hep-th · math.GT · math.QA

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

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	2026-05-18T01:07:58.695645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

547690df8359f7c7004a4968dfb1399e626d70a0eb54139ab751789115f97e05

Aliases

arxiv: 1211.5821 · arxiv_version: 1211.5821v2 · doi: 10.48550/arxiv.1211.5821 · pith_short_12: KR3JBX4DLH34 · pith_short_16: KR3JBX4DLH34OACK · pith_short_8: KR3JBX4D

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/KR3JBX4DLH34OACKJFUN7MJZTZ \
  | 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: 547690df8359f7c7004a4968dfb1399e626d70a0eb54139ab751789115f97e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba4cf800773d07bcee7184a15c9e11e1a8f13b7ea68afdd76783fe07f97dea8",
    "cross_cats_sorted": [
      "hep-th",
      "math.GT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-11-25T23:42:07Z",
    "title_canon_sha256": "125e88bb33fa1e1547dc64fcd4ec03a8b34b3940c289df3fc5ceefd0e14a73a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5821",
    "kind": "arxiv",
    "version": 2
  }
}