Pith Number

pith:HVN2PD6U

pith:2014:HVN2PD6UQZVG6ECR2GWEPKJV74

not attested not anchored not stored refs pending

On the group structure of $[\Omega \mathbb S^2, \Omega Y]$

Daciberg Gon\c{c}alves, Marek Golasi\'nski, Peter Wong

arxiv:1408.2547 v1 · 2014-08-11 · 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{HVN2PD6UQZVG6ECR2GWEPKJV74}

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	2026-05-18T02:45:22.811110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5ba78fd4866a6f1051d1ac47a935ff2c02da81e9a839b261b7de7fdceb855f

Aliases

arxiv: 1408.2547 · arxiv_version: 1408.2547v1 · doi: 10.48550/arxiv.1408.2547 · pith_short_12: HVN2PD6UQZVG · pith_short_16: HVN2PD6UQZVG6ECR · pith_short_8: HVN2PD6U

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/HVN2PD6UQZVG6ECR2GWEPKJV74 \
  | 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: 3d5ba78fd4866a6f1051d1ac47a935ff2c02da81e9a839b261b7de7fdceb855f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fc6864f65e3c997b01558d8fc033195dda9febc747955c24f162abd9e4e321c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-08-11T20:20:15Z",
    "title_canon_sha256": "b6d3e37e6138d88d7254f520134bb3ab7094af2531e00fe5131a2aefc41925a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2547",
    "kind": "arxiv",
    "version": 1
  }
}