Pith Number

pith:2IUE3XTP

pith:2016:2IUE3XTP2WDOIDO4CPKRCCR3MX

not attested not anchored not stored refs pending

Poincar\'e duality with cap products in intersection homology

Daniel Tanr\'e, David Chataur, Martintxo Saralegi-Aranguren

arxiv:1603.08773 v3 · 2016-03-29 · 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{2IUE3XTP2WDOIDO4CPKRCCR3MX}

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	2026-05-18T00:24:45.360398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2284dde6fd586e40ddc13d5110a3b65ee9f422a3bd8603f38eafe2c3202a661

Aliases

arxiv: 1603.08773 · arxiv_version: 1603.08773v3 · doi: 10.48550/arxiv.1603.08773 · pith_short_12: 2IUE3XTP2WDO · pith_short_16: 2IUE3XTP2WDOIDO4 · pith_short_8: 2IUE3XTP

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/2IUE3XTP2WDOIDO4CPKRCCR3MX \
  | 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: d2284dde6fd586e40ddc13d5110a3b65ee9f422a3bd8603f38eafe2c3202a661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3404cf02f3a4ead076510cd96ca7a4f4137dc85eba2602a90d58326b119faf2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-03-29T13:54:32Z",
    "title_canon_sha256": "6fd4f436d0ff81c545fb537fc69abec8f89f8dbc77f7de7ac80ca021c92c446e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08773",
    "kind": "arxiv",
    "version": 3
  }
}