Pith Number

pith:IBGVNRVA

pith:2015:IBGVNRVAFETVGS3W7FI54CVKZD

not attested not anchored not stored refs pending

Chern numbers of manifolds with torus action

Andrey Kustarev

arxiv:1506.05355 v1 · 2015-06-17 · 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{IBGVNRVAFETVGS3W7FI54CVKZD}

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	2026-05-18T01:46:12.445131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

404d56c6a02927534b76f951de0aaac8d40fd9689a3de5ceb5591184e92417a4

Aliases

arxiv: 1506.05355 · arxiv_version: 1506.05355v1 · doi: 10.48550/arxiv.1506.05355 · pith_short_12: IBGVNRVAFETV · pith_short_16: IBGVNRVAFETVGS3W · pith_short_8: IBGVNRVA

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/IBGVNRVAFETVGS3W7FI54CVKZD \
  | 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: 404d56c6a02927534b76f951de0aaac8d40fd9689a3de5ceb5591184e92417a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f9221159133521c1b8b54a818a941b66bc1f57707c6370b49c92d83efe89661",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-06-17T14:54:52Z",
    "title_canon_sha256": "45c9fd795520a1ca5b0bbd28067eccb3cee794dd26f6026fc8d722ac5dacaabe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05355",
    "kind": "arxiv",
    "version": 1
  }
}