Pith Number

pith:RKNKPIFL

pith:2019:RKNKPIFL35KT6INMVHQSSHOGPF

not attested not anchored not stored refs pending

Symplectomorphisms with positive metric entropy

Amie Wilkinson, Artur Avila, Sylvain Crovisier

arxiv:1904.01045 v1 · 2019-04-01 · 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{RKNKPIFL35KT6INMVHQSSHOGPF}

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	2026-05-17T23:49:38.055582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a9aa7a0abdf553f21aca9e1291dc67970763d3ac00d7f9003f1dfa83c7ea063

Aliases

arxiv: 1904.01045 · arxiv_version: 1904.01045v1 · doi: 10.48550/arxiv.1904.01045 · pith_short_12: RKNKPIFL35KT · pith_short_16: RKNKPIFL35KT6INM · pith_short_8: RKNKPIFL

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/RKNKPIFL35KT6INMVHQSSHOGPF \
  | 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: 8a9aa7a0abdf553f21aca9e1291dc67970763d3ac00d7f9003f1dfa83c7ea063

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "462a65000ffc452d543636b19e109b787362062b88744a3bf175c127011247f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-04-01T18:16:05Z",
    "title_canon_sha256": "4882d85d0318ae9eb44c4c29b999881328b27a2b8b9bffb1c1190c961f09d593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01045",
    "kind": "arxiv",
    "version": 1
  }
}