Pith Number

pith:2G2RZNL5

pith:2010:2G2RZNL5Z7BH2GWLSHON365FBV

not attested not anchored not stored refs pending

On classifying Hurewicz fibrations and fibre bundles over polyhedron bases

Adem Kilicman, Amin Saif

arxiv:1008.3959 v1 · 2010-08-24 · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G2RZNL5Z7BH2GWLSHON365FBV}

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	2026-05-18T04:41:54.414757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b51cb57dcfc27d1acb91dcddfba50d53cd88dec1f79cc5a1badf09ed2fc894

Aliases

arxiv: 1008.3959 · arxiv_version: 1008.3959v1 · doi: 10.48550/arxiv.1008.3959 · pith_short_12: 2G2RZNL5Z7BH · pith_short_16: 2G2RZNL5Z7BH2GWL · pith_short_8: 2G2RZNL5

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/2G2RZNL5Z7BH2GWLSHON365FBV \
  | 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: d1b51cb57dcfc27d1acb91dcddfba50d53cd88dec1f79cc5a1badf09ed2fc894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30ae705a28ec06ad552ebc0f54f7d040c4a64a0882cc1682419ece090cc6c56",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-08-24T03:58:25Z",
    "title_canon_sha256": "f2151732a3f883bfd8e19a4290ab3de3cdf2341f06c048eac56c3fb0ac0a2377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3959",
    "kind": "arxiv",
    "version": 1
  }
}