Pith Number

pith:K25NW6O3

pith:2017:K25NW6O3AETZRAFTXDZTP4TSPB

not attested not anchored not stored refs pending

Flat connections and cohomology invariants

Indranil Biswas, Marco Castrill\'on L\'opez

arxiv:1704.05414 v1 · 2017-04-18 · 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{K25NW6O3AETZRAFTXDZTP4TSPB}

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	2026-05-18T00:46:09.263713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56badb79db01279880b3b8f337f2727854606b8c1886f463fd7ab9eb2aaf6cbd

Aliases

arxiv: 1704.05414 · arxiv_version: 1704.05414v1 · doi: 10.48550/arxiv.1704.05414 · pith_short_12: K25NW6O3AETZ · pith_short_16: K25NW6O3AETZRAFT · pith_short_8: K25NW6O3

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/K25NW6O3AETZRAFTXDZTP4TSPB \
  | 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: 56badb79db01279880b3b8f337f2727854606b8c1886f463fd7ab9eb2aaf6cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb783848fdf42c99ab90dda3863d0ca2e626c80fc86d8e096774a7e483f4ff46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-04-18T16:35:49Z",
    "title_canon_sha256": "00b67c08f7ee3024669eee4f9fee4c5d4fee7704dc02ac14b2da46d43af6812d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05414",
    "kind": "arxiv",
    "version": 1
  }
}