Pith Number

pith:6QUCMY5M

pith:2016:6QUCMY5MYOOH6SUR64AM3PUTEA

not attested not anchored not stored refs pending

Mixed Hodge structures on the intersection homotopy type of complex varieties with isolated singularities

David Chataur, Joana Cirici

arxiv:1603.09125 v1 · 2016-03-30 · math.AT · 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{6QUCMY5MYOOH6SUR64AM3PUTEA}

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	2026-05-18T01:18:03.623469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4282663acc39c7f4a91f700cdbe932016ea85457f714ca9d1b9706a1b33d1ed

Aliases

arxiv: 1603.09125 · arxiv_version: 1603.09125v1 · doi: 10.48550/arxiv.1603.09125 · pith_short_12: 6QUCMY5MYOOH · pith_short_16: 6QUCMY5MYOOH6SUR · pith_short_8: 6QUCMY5M

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/6QUCMY5MYOOH6SUR64AM3PUTEA \
  | 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: f4282663acc39c7f4a91f700cdbe932016ea85457f714ca9d1b9706a1b33d1ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79d8f44ea66590d0fe869b57c14063754c820d1e30fe169c20eeb7c9868f23a2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-03-30T11:07:22Z",
    "title_canon_sha256": "6bc75cc25dc844b1c65ebff6664b9ae3c33c018f801ec88c3de37442a5eee5cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09125",
    "kind": "arxiv",
    "version": 1
  }
}