Pith Number

pith:HVTVQVGF

pith:2015:HVTVQVGFYGFTFBV3ZDY7SXV2X5

not attested not anchored not stored refs pending

Euler characteristics of Hilbert schemes of points on simple surface singularities

\'Ad\'am Gyenge, Andr\'as N\'emethi, Bal\'azs Szendr\H{o}i

arxiv:1512.06848 v3 · 2015-12-21 · math.AG · math.CO · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVTVQVGFYGFTFBV3ZDY7SXV2X5}

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	2026-05-18T00:24:40.041159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d675854c5c18b3286bbc8f1f95ebabf5347de71631453f3d62434c84f838453

Aliases

arxiv: 1512.06848 · arxiv_version: 1512.06848v3 · doi: 10.48550/arxiv.1512.06848 · pith_short_12: HVTVQVGFYGFT · pith_short_16: HVTVQVGFYGFTFBV3 · pith_short_8: HVTVQVGF

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/HVTVQVGFYGFTFBV3ZDY7SXV2X5 \
  | 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: 3d675854c5c18b3286bbc8f1f95ebabf5347de71631453f3d62434c84f838453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e1a170185eb36d2d4abb499ced84c594262625a7355fd749c13a6a431cede9",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-21T10:46:11Z",
    "title_canon_sha256": "dd6e32b0e385f6d97526121c64f615a26604684e39aea9549d76f16ce188d6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06848",
    "kind": "arxiv",
    "version": 3
  }
}