Pith Number

pith:B2RFV24D

pith:2014:B2RFV24DJH3TT5PGPB5TRFKU5O

not attested not anchored not stored refs pending

Distortion of imbeddings of groups of intermediate growth into metric spaces

Anna G. Erschler, Laurent Bartholdi

arxiv:1406.5908 v2 · 2014-06-23 · 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{B2RFV24DJH3TT5PGPB5TRFKU5O}

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	2026-05-18T02:49:02.315956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea25aeb8349f739f5e6787b389554eb949b1c20ddff19439a01a225f5d528c5

Aliases

arxiv: 1406.5908 · arxiv_version: 1406.5908v2 · doi: 10.48550/arxiv.1406.5908 · pith_short_12: B2RFV24DJH3T · pith_short_16: B2RFV24DJH3TT5PG · pith_short_8: B2RFV24D

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/B2RFV24DJH3TT5PGPB5TRFKU5O \
  | 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: 0ea25aeb8349f739f5e6787b389554eb949b1c20ddff19439a01a225f5d528c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68addba3145d9b00ea46eb5e25a50659870dfab99b1636a226723dc00231a523",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-06-23T14:02:18Z",
    "title_canon_sha256": "7629231aa8c2d91b2ae86d04ea6d514caa8fb9554ed16060535e0f7aa41df76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5908",
    "kind": "arxiv",
    "version": 2
  }
}