Pith Number

pith:HFEJ7OOQ

pith:2016:HFEJ7OOQ74LMW4P7SEYTW2KEQM

not attested not anchored not stored refs pending

Generalized twisted cubics on a cubic fourfold as a moduli space of stable objects

Emanuele Macr\`i, Manfred Lehn, Mart\'i Lahoz, Paolo Stellari

arxiv:1609.04573 v3 · 2016-09-15 · 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{HFEJ7OOQ74LMW4P7SEYTW2KEQM}

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	2026-05-18T00:43:18.377255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39489fb9d0ff16cb71ff91313b6944832572fe997a7729e5e48d3a6c9452dc28

Aliases

arxiv: 1609.04573 · arxiv_version: 1609.04573v3 · doi: 10.48550/arxiv.1609.04573 · pith_short_12: HFEJ7OOQ74LM · pith_short_16: HFEJ7OOQ74LMW4P7 · pith_short_8: HFEJ7OOQ

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/HFEJ7OOQ74LMW4P7SEYTW2KEQM \
  | 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: 39489fb9d0ff16cb71ff91313b6944832572fe997a7729e5e48d3a6c9452dc28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e9c88680445b5ff0ef2237cfc7d5a48cbc0b44f1354da920841f3a8892b3aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-15T11:28:12Z",
    "title_canon_sha256": "66677fc302b17a64d5cc9f887142ad3ea3b735b0b2dd4636201bde27807880e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04573",
    "kind": "arxiv",
    "version": 3
  }
}