Pith Number

pith:4SDRPBZ5

pith:2013:4SDRPBZ5AB5PYLLMOHUHGVKIKC

not attested not anchored not stored refs pending

Fourier-Mukai functors and perfect complexes on dual numbers

Francesco Amodeo, Riccardo Moschetti

arxiv:1309.7215 v3 · 2013-09-27 · 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{4SDRPBZ5AB5PYLLMOHUHGVKIKC}

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	2026-05-18T02:07:32.152173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48717873d007afc2d6c71e873554850a4dfdc2179ea683780d132f361809899

Aliases

arxiv: 1309.7215 · arxiv_version: 1309.7215v3 · doi: 10.48550/arxiv.1309.7215 · pith_short_12: 4SDRPBZ5AB5P · pith_short_16: 4SDRPBZ5AB5PYLLM · pith_short_8: 4SDRPBZ5

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/4SDRPBZ5AB5PYLLMOHUHGVKIKC \
  | 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: e48717873d007afc2d6c71e873554850a4dfdc2179ea683780d132f361809899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dacca3f893484ce61bf78563581965494fb0877eea4f9e45751694da94b1438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-27T12:04:35Z",
    "title_canon_sha256": "010b329405fe150ab2c5d3fb430d3a71e9b74147230d0db18ea5e132e5bdd888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7215",
    "kind": "arxiv",
    "version": 3
  }
}