Pith Number

pith:E6N3CXI5

pith:2011:E6N3CXI5DYEQXCGUHCMYBYR7ZH

not attested not anchored not stored refs pending

Real non-abelian mixed Hodge structures for quasi-projective varieties: formality and splitting

J.P.Pridham

arxiv:1104.1409 v3 · 2011-04-07 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6N3CXI5DYEQXCGUHCMYBYR7ZH}

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	2026-05-18T01:15:00.655227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279bb15d1d1e090b88d4389980e23fc9cf0206d1dd29f72b5901316c6a3f9f4d

Aliases

arxiv: 1104.1409 · arxiv_version: 1104.1409v3 · doi: 10.48550/arxiv.1104.1409 · pith_short_12: E6N3CXI5DYEQ · pith_short_16: E6N3CXI5DYEQXCGU · pith_short_8: E6N3CXI5

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/E6N3CXI5DYEQXCGUHCMYBYR7ZH \
  | 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: 279bb15d1d1e090b88d4389980e23fc9cf0206d1dd29f72b5901316c6a3f9f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb00b06b163708bf5552ee304e88d5c7d5252362bf480a93d594f1dd407b1df",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-07T19:15:17Z",
    "title_canon_sha256": "a7d26c80cf08c9e0aa8d381a839c612949555571f081000df3d6a95a275aabfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1409",
    "kind": "arxiv",
    "version": 3
  }
}