Pith Number

pith:2ARZKINI

pith:2012:2ARZKINIA6DXN3J2ODRRFQKZD5

not attested not anchored not stored refs pending

On the derived category of the Cayley plane II

Daniele Faenzi (LMAP), Laurent Manivel (IF)

arxiv:1201.6327 v1 · 2012-01-30 · 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{2ARZKINIA6DXN3J2ODRRFQKZD5}

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	2026-05-18T04:03:33.117652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0239521a8078776ed3a70e312c1591f53596ee235dac6be1145c33152f31c90

Aliases

arxiv: 1201.6327 · arxiv_version: 1201.6327v1 · doi: 10.48550/arxiv.1201.6327 · pith_short_12: 2ARZKINIA6DX · pith_short_16: 2ARZKINIA6DXN3J2 · pith_short_8: 2ARZKINI

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/2ARZKINIA6DXN3J2ODRRFQKZD5 \
  | 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: d0239521a8078776ed3a70e312c1591f53596ee235dac6be1145c33152f31c90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "418b243e0390cb320d30a89fbf8fba005e2e354864c4631359c1a1c2f7413b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-30T19:22:58Z",
    "title_canon_sha256": "c821d283ad684fc582dc91a368228368b4c82b4166014465abec6b0d8560a89a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6327",
    "kind": "arxiv",
    "version": 1
  }
}