Pith Number

pith:KVDLROO6

pith:1995:KVDLROO6NN6IWGCTAQSNVB3R27

not attested not anchored not stored refs pending

Torus bundles and the group cohomology of GL(N,Z)

Jean-Michel Bismut, John Lott

arxiv:dg-ga/9502004 v1 · 1995-02-10 · dg-ga · 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{KVDLROO6NN6IWGCTAQSNVB3R27}

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	2026-05-18T01:06:48.713547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5546b8b9de6b7c8b18530424da8771d7d031a9a13acab7ededa011f2381b7077

Aliases

arxiv: dg-ga/9502004 · arxiv_version: dg-ga/9502004v1 · doi: 10.48550/arxiv.dg-ga/9502004 · pith_short_12: KVDLROO6NN6I · pith_short_16: KVDLROO6NN6IWGCT · pith_short_8: KVDLROO6

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/KVDLROO6NN6IWGCTAQSNVB3R27 \
  | 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: 5546b8b9de6b7c8b18530424da8771d7d031a9a13acab7ededa011f2381b7077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beec8f2e3afd2bc23e1e3b2e9353e19463ecb680bbb93e9049e8aed6a49ca7da",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "dg-ga",
    "submitted_at": "1995-02-10T17:02:16Z",
    "title_canon_sha256": "8ea5c13e5451a8bd68d31325e02dd1d0f29be9203558041661924cb0aeca7256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "dg-ga/9502004",
    "kind": "arxiv",
    "version": 1
  }
}