Pith Number

pith:BDIS4XZQ

pith:2014:BDIS4XZQ6JGJZMSEGHBTL76C6B

not attested not anchored not stored refs pending

Indices of collections of equivariant 1-forms and characteristic numbers

Sabir M. Gusein-Zade, Wolfgang Ebeling

arxiv:1406.4278 v1 · 2014-06-17 · 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{BDIS4XZQ6JGJZMSEGHBTL76C6B}

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	2026-05-18T02:49:37.962167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d12e5f30f24c9cb24431c335ffc2f053b6beefb8e6c4ce8ec980014fc9b0e3

Aliases

arxiv: 1406.4278 · arxiv_version: 1406.4278v1 · doi: 10.48550/arxiv.1406.4278 · pith_short_12: BDIS4XZQ6JGJ · pith_short_16: BDIS4XZQ6JGJZMSE · pith_short_8: BDIS4XZQ

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/BDIS4XZQ6JGJZMSEGHBTL76C6B \
  | 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: 08d12e5f30f24c9cb24431c335ffc2f053b6beefb8e6c4ce8ec980014fc9b0e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c1ea5722e938d724bfa8ea6509568ccd7b35fb88ad993f976fffddd11063255",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-06-17T08:44:38Z",
    "title_canon_sha256": "fcff26e9136c523260d67f47ca9a10afe48e55d5a092833469840bebdee3739c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4278",
    "kind": "arxiv",
    "version": 1
  }
}