Pith Number

pith:6FYU6AGH

pith:2013:6FYU6AGHCRXG4IRAHR4XDLMP7I

not attested not anchored not stored refs pending

On the Lie algebroid of a derived self-intersection

Andrei Caldararu, Damien Calaque, Junwu Tu

arxiv:1306.5260 v2 · 2013-06-21 · math.AG · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FYU6AGHCRXG4IRAHR4XDLMP7I}

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	2026-05-18T02:48:46.942264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1714f00c7146e6e22203c7971ad8ffa0e6a1b5822ee16cb6c01649ff13683bf

Aliases

arxiv: 1306.5260 · arxiv_version: 1306.5260v2 · doi: 10.48550/arxiv.1306.5260 · pith_short_12: 6FYU6AGHCRXG · pith_short_16: 6FYU6AGHCRXG4IRA · pith_short_8: 6FYU6AGH

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/6FYU6AGHCRXG4IRAHR4XDLMP7I \
  | 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: f1714f00c7146e6e22203c7971ad8ffa0e6a1b5822ee16cb6c01649ff13683bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc8477ca61d3e1995c98343e2678e0b28fff6a33b453b17d9fc46ef4caaf0e1",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-06-21T21:51:18Z",
    "title_canon_sha256": "caf6f768723ea904be1bd73c7a907ef3d6a8bc2fb7e318a906b0e20cfc00872d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5260",
    "kind": "arxiv",
    "version": 2
  }
}