Pith Number

pith:DHIDERRR

pith:2014:DHIDERRRSBL3FG2ZDPRXRRVZ3N

not attested not anchored not stored refs pending

The cohomology of the sporadic group $J_2$ over $\mathbb{F}_3$

Antonio D\'iaz Ramos, Oihana Garaialde Oca\~na

arxiv:1403.5493 v1 · 2014-03-21 · math.AT · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHIDERRRSBL3FG2ZDPRXRRVZ3N}

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	2026-05-18T02:55:56.218907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19d03246319057b29b591be378c6b9db4675063f6e9908099ea4aa8cf2628a1d

Aliases

arxiv: 1403.5493 · arxiv_version: 1403.5493v1 · doi: 10.48550/arxiv.1403.5493 · pith_short_12: DHIDERRRSBL3 · pith_short_16: DHIDERRRSBL3FG2Z · pith_short_8: DHIDERRR

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/DHIDERRRSBL3FG2ZDPRXRRVZ3N \
  | 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: 19d03246319057b29b591be378c6b9db4675063f6e9908099ea4aa8cf2628a1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee38727c2f003da757dacbb08c689df19b6ccb9a8469ef7cfdd4db22e7b9008b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-03-21T15:23:43Z",
    "title_canon_sha256": "488a988cfd8460c3c9ca57f744f1568bea969274e8fcfc5938ed6cb8998a313b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5493",
    "kind": "arxiv",
    "version": 1
  }
}