Pith Number

pith:M4R7O3SF

pith:2016:M4R7O3SFVVTHHNL2TH7GT7XUU5

not attested not anchored not stored refs pending

Finite subgroups of Ham and Symp

Ignasi Mundet i Riera

arxiv:1605.05494 v2 · 2016-05-18 · math.SG · 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{M4R7O3SFVVTHHNL2TH7GT7XUU5}

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	2026-05-18T00:42:22.049354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6723f76e45ad6673b57a99fe69fef4a7463c81b4a1ae062b87d6486604e83906

Aliases

arxiv: 1605.05494 · arxiv_version: 1605.05494v2 · doi: 10.48550/arxiv.1605.05494 · pith_short_12: M4R7O3SFVVTH · pith_short_16: M4R7O3SFVVTHHNL2 · pith_short_8: M4R7O3SF

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/M4R7O3SFVVTHHNL2TH7GT7XUU5 \
  | 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: 6723f76e45ad6673b57a99fe69fef4a7463c81b4a1ae062b87d6486604e83906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "496dd396ee99c04a2441912838ad7ef755d3a2cd94bdac24cdb89212b76d0835",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-05-18T09:33:49Z",
    "title_canon_sha256": "e1a18eb243a1b4abf7823818b93dbd18ecc0fa131c8bc75ea4cbd4d0a1e4c29d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05494",
    "kind": "arxiv",
    "version": 2
  }
}