Pith Number

pith:6BW4XFBF

pith:2015:6BW4XFBF2DWKUPTU5Y4NXLHVNW

not attested not anchored not stored refs pending

Milnor Fibre Homology via Deformation

Dirk Siersma, Mihai Tibar

arxiv:1512.02840 v1 · 2015-12-09 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BW4XFBF2DWKUPTU5Y4NXLHVNW}

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	2026-05-18T00:46:59.791267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f06dcb9425d0ecaa3e74ee38dbacf56d8f43df26b374bcb1c89ad0353d6ebb88

Aliases

arxiv: 1512.02840 · arxiv_version: 1512.02840v1 · doi: 10.48550/arxiv.1512.02840 · pith_short_12: 6BW4XFBF2DWK · pith_short_16: 6BW4XFBF2DWKUPTU · pith_short_8: 6BW4XFBF

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/6BW4XFBF2DWKUPTU5Y4NXLHVNW \
  | 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: f06dcb9425d0ecaa3e74ee38dbacf56d8f43df26b374bcb1c89ad0353d6ebb88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88f5c2866e93406bff235e88be31eafb0d749793350622454656d5dc6e8aaac6",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-09T12:57:10Z",
    "title_canon_sha256": "38c6542f5fd05d03d69cdc72756aa5480f3ec0e5248817a9eba938dd4ceb1312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02840",
    "kind": "arxiv",
    "version": 1
  }
}