Pith Number

pith:PW3BRUOV

pith:2014:PW3BRUOV6COLLER65MHE6NMV53

not attested not anchored not stored refs pending

Isometrisable group actions

Ita\"i Ben Yaacov (ICJ), Julien Melleray (ICJ)

arxiv:1406.7850 v2 · 2014-06-30 · math.LO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PW3BRUOV6COLLER65MHE6NMV53}

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	2026-05-18T01:25:55.783281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db618d1d5f09cb5923eeb0e4f3595eef919a45e88acb7b6487f8929ff6ed483

Aliases

arxiv: 1406.7850 · arxiv_version: 1406.7850v2 · doi: 10.48550/arxiv.1406.7850 · pith_short_12: PW3BRUOV6COL · pith_short_16: PW3BRUOV6COLLER6 · pith_short_8: PW3BRUOV

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/PW3BRUOV6COLLER65MHE6NMV53 \
  | 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: 7db618d1d5f09cb5923eeb0e4f3595eef919a45e88acb7b6487f8929ff6ed483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a99fd3861429e83bcc2b05cac7336740f58a8d1db29c769f10091e4a5a7c9d4",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-06-30T18:51:13Z",
    "title_canon_sha256": "aeb1a92414f0678637b10b195299b41690bb6c0cb246b4abf8cbc38c7b29c528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7850",
    "kind": "arxiv",
    "version": 2
  }
}