Pith Number

pith:G6KGFGLM

pith:2009:G6KGFGLMY6CX2RRHVNFOBXSJ5R

not attested not anchored not stored refs pending

Properties of Bott manifolds and cohomological rigidity

Dong Youp Suh, Suyoung Choi

arxiv:0912.3054 v1 · 2009-12-16 · 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{G6KGFGLMY6CX2RRHVNFOBXSJ5R}

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	2026-05-18T02:41:51.007601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

379462996cc7857d4627ab4ae0de49ec66f82066a8c875c8e85a85659fe9a0da

Aliases

arxiv: 0912.3054 · arxiv_version: 0912.3054v1 · doi: 10.48550/arxiv.0912.3054 · pith_short_12: G6KGFGLMY6CX · pith_short_16: G6KGFGLMY6CX2RRH · pith_short_8: G6KGFGLM

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/G6KGFGLMY6CX2RRHVNFOBXSJ5R \
  | 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: 379462996cc7857d4627ab4ae0de49ec66f82066a8c875c8e85a85659fe9a0da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a0798b8e956bd087708fc4d51a63304efc5730591ae3c44da1e99da9f89977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-12-16T04:28:20Z",
    "title_canon_sha256": "84c734e7b915f69ecd08f18ae461ee0b00454478eb6fe8e503c958bfef7bf32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3054",
    "kind": "arxiv",
    "version": 1
  }
}