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Pith Number

pith:E6BD3KB7

pith:2014:E6BD3KB7BIBGOM6CS5EWQYESDH
not attested not anchored not stored refs pending

Iterated identities and iterational depth of groups

Anna Erschler

arxiv:1409.5953 v1 · 2014-09-21 · math.GR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{E6BD3KB7BIBGOM6CS5EWQYESDH}

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 2026-05-18T02:42:14.072350Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

27823da83f0a026733c2974968609219f3a3a0c67dd1626c1c081fcb24544f42

Aliases

arxiv: 1409.5953 · arxiv_version: 1409.5953v1 · doi: 10.48550/arxiv.1409.5953 · pith_short_12: E6BD3KB7BIBG · pith_short_16: E6BD3KB7BIBGOM6C · pith_short_8: E6BD3KB7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/E6BD3KB7BIBGOM6CS5EWQYESDH \
  | 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: 27823da83f0a026733c2974968609219f3a3a0c67dd1626c1c081fcb24544f42
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9293569cb39da3020bc28d988afcbefabddb011a07c459210457e52c51739822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-09-21T07:41:23Z",
    "title_canon_sha256": "abf586267cf913334532559cc6f1458bf2011f7615228f4b63410d64ac8e49ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5953",
    "kind": "arxiv",
    "version": 1
  }
}