Pith Number

pith:X4NZON5K

pith:2026:X4NZON5K6ONZXEYPN544ZYNROT

not attested not anchored not stored refs pending

Virtual cycles of 3-term complexes and the Hilbert schemes of surfaces

Amin Gholampour, Emilio Dominguez

arxiv:2606.29542 v1 · 2026-06-28 · 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{X4NZON5K6ONZXEYPN544ZYNROT}

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	2026-06-30T01:18:11.171688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf1b9737aaf39b9b930f6f79cce1b174f9ebbc894610c05f4c4d988eac0c209c

Aliases

arxiv: 2606.29542 · arxiv_version: 2606.29542v1 · doi: 10.48550/arxiv.2606.29542 · pith_short_12: X4NZON5K6ONZ · pith_short_16: X4NZON5K6ONZXEYP · pith_short_8: X4NZON5K

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/X4NZON5K6ONZXEYPN544ZYNROT \
  | 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: bf1b9737aaf39b9b930f6f79cce1b174f9ebbc894610c05f4c4d988eac0c209c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d555befbc9043e561007c3dae334f11c2c44a52344611598d28bc4a6a3f7359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-28T18:11:54Z",
    "title_canon_sha256": "7800f93801c85d8bd7054a3e99ca7d2ecb5d3aa99b8cd6912f35b309336a7ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29542",
    "kind": "arxiv",
    "version": 1
  }
}