Pith Number

pith:F7J22HUK

pith:2014:F7J22HUKIP4XCIGCNHOJDH6LO2

not attested not anchored not stored refs pending

Poincar\'e Duality of the basic intersection cohomology of a Killing foliation

M. Saralegi-Aranguren, R Wolak

arxiv:1401.5816 v1 · 2014-01-22 · math.AT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7J22HUKIP4XCIGCNHOJDH6LO2}

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	2026-05-18T01:03:44.676543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd3ad1e8a43f97120c269dc919fcb7683972a8652cdf4530fa8bc98b53400c9

Aliases

arxiv: 1401.5816 · arxiv_version: 1401.5816v1 · doi: 10.48550/arxiv.1401.5816 · pith_short_12: F7J22HUKIP4X · pith_short_16: F7J22HUKIP4XCIGC · pith_short_8: F7J22HUK

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/F7J22HUKIP4XCIGCNHOJDH6LO2 \
  | 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: 2fd3ad1e8a43f97120c269dc919fcb7683972a8652cdf4530fa8bc98b53400c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d68dcfce5a24bb4f8f61b1de0011a7c12d954c3323ee322f33eb3e244c0c23",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-01-22T22:01:43Z",
    "title_canon_sha256": "f6e954bb3c0fe96975cff4f05af035d848eb77be457d30f7380f28066bf31b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5816",
    "kind": "arxiv",
    "version": 1
  }
}