Pith Number

pith:Z3PDFB2S

pith:2013:Z3PDFB2SX3W5M2JSWRVECQRRSV

not attested not anchored not stored refs pending

Homology of Hilbert schemes of points on a locally planar curve

J{\o}rgen Vold Rennemo

arxiv:1308.4104 v2 · 2013-08-19 · 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{Z3PDFB2SX3W5M2JSWRVECQRRSV}

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	2026-05-18T01:35:52.406886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cede328752beedd66932b46a414231957459eeb202cc8dbc270b9ed5adae7ce1

Aliases

arxiv: 1308.4104 · arxiv_version: 1308.4104v2 · doi: 10.48550/arxiv.1308.4104 · pith_short_12: Z3PDFB2SX3W5 · pith_short_16: Z3PDFB2SX3W5M2JS · pith_short_8: Z3PDFB2S

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/Z3PDFB2SX3W5M2JSWRVECQRRSV \
  | 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: cede328752beedd66932b46a414231957459eeb202cc8dbc270b9ed5adae7ce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c92f51ea3d8045f8d2f05e30376cb3630a6e9ff91d08f793ff16c47c77c301",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-19T19:27:00Z",
    "title_canon_sha256": "75cd7fc1be1feb13cd6f7f49b07361960f1076e3305712cc27ed04855c68117b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4104",
    "kind": "arxiv",
    "version": 2
  }
}