Pith Number

pith:EIRFTFHF

pith:2013:EIRFTFHFRM7RL5C42QC5C3MA6W

not attested not anchored not stored refs pending

Abstract commensurability and the Gupta--Sidki group

Alejandra Garrido

arxiv:1310.0493 v3 · 2013-10-01 · 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{EIRFTFHFRM7RL5C42QC5C3MA6W}

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	2026-05-18T01:04:46.081581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22225994e58b3f15f45cd405d16d80f59818f53457b4e4e2a023b4d8a18bdd08

Aliases

arxiv: 1310.0493 · arxiv_version: 1310.0493v3 · doi: 10.48550/arxiv.1310.0493 · pith_short_12: EIRFTFHFRM7R · pith_short_16: EIRFTFHFRM7RL5C4 · pith_short_8: EIRFTFHF

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/EIRFTFHFRM7RL5C42QC5C3MA6W \
  | 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: 22225994e58b3f15f45cd405d16d80f59818f53457b4e4e2a023b4d8a18bdd08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d14150db01f4aec35a3bf474fc77bb4c30c14436d0a982b9075fc8c0c7c5a12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-10-01T21:18:02Z",
    "title_canon_sha256": "afef33ccc38a594856be0a2efd27b74c793fae5db4bdb734197708e92731b208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0493",
    "kind": "arxiv",
    "version": 3
  }
}