Pith Number

pith:N6IPFB4D

pith:2009:N6IPFB4DYGYJQEBW4KUNJM423B

not attested not anchored not stored refs pending

Dold-Kan correspondence for dendroidal abelian groups

Andor Lukacs, Ittay Weiss, Javier J. Guti\'errez

arxiv:0909.3995 v1 · 2009-09-22 · 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{N6IPFB4DYGYJQEBW4KUNJM423B}

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	2026-05-18T04:26:31.982420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f90f28783c1b0981036e2a8d4b39ad85c66fe7bbeff8032639c6cc5af220261

Aliases

arxiv: 0909.3995 · arxiv_version: 0909.3995v1 · doi: 10.48550/arxiv.0909.3995 · pith_short_12: N6IPFB4DYGYJ · pith_short_16: N6IPFB4DYGYJQEBW · pith_short_8: N6IPFB4D

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/N6IPFB4DYGYJQEBW4KUNJM423B \
  | 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: 6f90f28783c1b0981036e2a8d4b39ad85c66fe7bbeff8032639c6cc5af220261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e92942b1b13b593ac31a59a3085c8ac5091d99c1ab71c6aa3eea7ce246ae15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-09-22T13:42:43Z",
    "title_canon_sha256": "fcdecccc6ac7ccab35aebbc40818f4da22786561c8fb744f15b1f7b3af96e6b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3995",
    "kind": "arxiv",
    "version": 1
  }
}