Pith Number

pith:QS32L47E

pith:2013:QS32L47ET4HTIHCVAVG6MZR3W2

not attested not anchored not stored refs pending

From semi-orthogonal decompositions to polarized intermediate Jacobians via Jacobians of noncommutative motives

Goncalo Tabuada, Marcello Bernardara

arxiv:1305.4687 v2 · 2013-05-21 · math.AG · math.AT · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QS32L47ET4HTIHCVAVG6MZR3W2}

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	2026-05-18T02:50:59.686557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b7a5f3e49f0f341c55054de6663bb6883e3b2c0117f570b691997626faf3a7

Aliases

arxiv: 1305.4687 · arxiv_version: 1305.4687v2 · doi: 10.48550/arxiv.1305.4687 · pith_short_12: QS32L47ET4HT · pith_short_16: QS32L47ET4HTIHCV · pith_short_8: QS32L47E

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/QS32L47ET4HTIHCVAVG6MZR3W2 \
  | 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: 84b7a5f3e49f0f341c55054de6663bb6883e3b2c0117f570b691997626faf3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f769eeec75da26da504d9efaf19cbfa0cc8a7dd1e837ce4446a76b657ed39dff",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-21T01:10:56Z",
    "title_canon_sha256": "2a596c8c8fe705f2a19e9f8558b89cd39d0b0de7bee7bff94f2da950cf0ba148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4687",
    "kind": "arxiv",
    "version": 2
  }
}