Pith Number

pith:SSH26GNR

pith:2012:SSH26GNRGPLJXPSZE7O6VA4LMR

not attested not anchored not stored refs pending

Classification of complex projective towers up to dimension 8 and cohomological rigidity

Dong Youp Suh, Shintar\^o Kuroki

arxiv:1203.4403 v4 · 2012-03-20 · math.GT · 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{SSH26GNRGPLJXPSZE7O6VA4LMR}

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	2026-05-18T01:25:31.057330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948faf19b133d69bbe5927ddea838b64572d760a4f4e85b946df9c8eaa2d0a37

Aliases

arxiv: 1203.4403 · arxiv_version: 1203.4403v4 · doi: 10.48550/arxiv.1203.4403 · pith_short_12: SSH26GNRGPLJ · pith_short_16: SSH26GNRGPLJXPSZ · pith_short_8: SSH26GNR

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/SSH26GNRGPLJXPSZE7O6VA4LMR \
  | 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: 948faf19b133d69bbe5927ddea838b64572d760a4f4e85b946df9c8eaa2d0a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c96fef976a84f60d82476f171998615654be1851df3eadd1ab6f5251f0eec476",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-03-20T11:47:43Z",
    "title_canon_sha256": "aed9876d5cd46544bbae00f15e11ea5bff46680f2a96292aefe5c7fe7d5cc120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4403",
    "kind": "arxiv",
    "version": 4
  }
}