Pith Number

pith:GFY23K2N

pith:2015:GFY23K2NG724YTHO53NX6IY6BS

not attested not anchored not stored refs pending

On RO(G)-graded equivariant "ordinary" cohomology where G is a power of Z/2

Igor Kriz, John Holler

arxiv:1506.00997 v2 · 2015-06-02 · 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{GFY23K2NG724YTHO53NX6IY6BS}

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	2026-05-18T00:48:10.428477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3171adab4d37f5cc4ceeeedb7f231e0ca3979e934d98ef748610acbc0d3e2a0a

Aliases

arxiv: 1506.00997 · arxiv_version: 1506.00997v2 · doi: 10.48550/arxiv.1506.00997 · pith_short_12: GFY23K2NG724 · pith_short_16: GFY23K2NG724YTHO · pith_short_8: GFY23K2N

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/GFY23K2NG724YTHO53NX6IY6BS \
  | 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: 3171adab4d37f5cc4ceeeedb7f231e0ca3979e934d98ef748610acbc0d3e2a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff62155eae72b898afbfba67a3be2367abbb7836487754c85e079b8f603d4a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-06-02T19:30:30Z",
    "title_canon_sha256": "707e0b41bd09b37e14837b242f0a7810c061202493f006389c53f5249ba0e29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00997",
    "kind": "arxiv",
    "version": 2
  }
}