Pith Number

pith:IJXFIIDL

pith:2016:IJXFIIDLSJEYDRWKOZ7XZOQ4G4

not attested not anchored not stored refs pending

The Burnside problem for $\text{Diff}_{\text{Vol}}(\mathbb{S}^2)$

Alejandro Kocsard, Federico Rodr\'iguez-Hertz, Sebastian Hurtado

arxiv:1607.04603 v3 · 2016-07-15 · math.DS · 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{IJXFIIDLSJEYDRWKOZ7XZOQ4G4}

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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.

Cited by

1 paper in Pith

Actions of $2$-groups of bounded exponent on manifolds

Receipt and verification

First computed	2026-07-05T02:01:08.010810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

426e54206b924981c6ca767f7cba1c3710c0f3f2deafe6cdfabcb5190c524d3b

Aliases

arxiv: 1607.04603 · arxiv_version: 1607.04603v3 · doi: 10.48550/arxiv.1607.04603 · pith_short_12: IJXFIIDLSJEY · pith_short_16: IJXFIIDLSJEYDRWK · pith_short_8: IJXFIIDL

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/IJXFIIDLSJEYDRWKOZ7XZOQ4G4 \
  | 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: 426e54206b924981c6ca767f7cba1c3710c0f3f2deafe6cdfabcb5190c524d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3228f1d81f3be9dd5dc0027827bc8d0b4200550ff5fae12dcd7b52e9acb4a88a",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-07-15T18:21:34Z",
    "title_canon_sha256": "5d545445d1808afcc38b6eb92d59e7c4088d801b87b2fbd3966a41de469542d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04603",
    "kind": "arxiv",
    "version": 3
  }
}