Pith Number

pith:NM5U3IHG

pith:2014:NM5U3IHGPVCQJMGMFT6I5AMKQJ

not attested not anchored not stored refs pending

An example of a non-Fourier-Mukai functor between derived categories of coherent sheaves

Alice Rizzardo, Amnon Neeman, Michel Van den Bergh

arxiv:1410.4039 v3 · 2014-10-15 · 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{NM5U3IHGPVCQJMGMFT6I5AMKQJ}

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	2026-05-17T23:52:19.392784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b3b4da0e67d4504b0cc2cfc8e818a824d102fbfe441574d2cf8b0328ca27b7f

Aliases

arxiv: 1410.4039 · arxiv_version: 1410.4039v3 · doi: 10.48550/arxiv.1410.4039 · pith_short_12: NM5U3IHGPVCQ · pith_short_16: NM5U3IHGPVCQJMGM · pith_short_8: NM5U3IHG

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/NM5U3IHGPVCQJMGMFT6I5AMKQJ \
  | 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: 6b3b4da0e67d4504b0cc2cfc8e818a824d102fbfe441574d2cf8b0328ca27b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc470ef7134c0e8f5ed4628074022166fca52979c0e22d7185586cb07899e1fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-15T12:38:36Z",
    "title_canon_sha256": "adab3414b91cc3e73540313567dfecdf2276e68fde63da99cd0742303fc6eb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4039",
    "kind": "arxiv",
    "version": 3
  }
}