Pith Number

pith:A4QLHEXS

pith:2014:A4QLHEXSPPRYHO3CDMWEJ5TJHI

not attested not anchored not stored refs pending

Groups of Asymptotic Diffeomorphisms

Peter Topalov, Robert McOwen

arxiv:1412.4732 v2 · 2014-12-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4QLHEXSPPRYHO3CDMWEJ5TJHI}

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	2026-05-18T01:28:06.791560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0720b392f27be383bb621b2c44f6693a20b00da31516f809f8ea82b094d89f9f

Aliases

arxiv: 1412.4732 · arxiv_version: 1412.4732v2 · doi: 10.48550/arxiv.1412.4732 · pith_short_12: A4QLHEXSPPRY · pith_short_16: A4QLHEXSPPRYHO3C · pith_short_8: A4QLHEXS

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/A4QLHEXSPPRYHO3CDMWEJ5TJHI \
  | 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: 0720b392f27be383bb621b2c44f6693a20b00da31516f809f8ea82b094d89f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a6f1305545601ccc2188a98b2650b1dfa684efed3952c332191f1073a9bf04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-12-15T19:29:39Z",
    "title_canon_sha256": "b749504096571c03b68c5d0fda6db67e1e66f2746a1282b5a6dfeed1c70910ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4732",
    "kind": "arxiv",
    "version": 2
  }
}