Pith Number

pith:KUMR542S

pith:2018:KUMR542SXHTCHAKTU4DEZYGZSX

not attested not anchored not stored refs pending

Approximate Identities and Lagrangian Poincar\'e Recurrence

Basak Z. Gurel, Viktor L. Ginzburg

arxiv:1812.00299 v2 · 2018-12-02 · math.SG · 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{KUMR542SXHTCHAKTU4DEZYGZSX}

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	2026-05-17T23:54:06.965900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55191ef352b9e6238153a7064ce0d995d9d865d963f4d3c2d8432e7b43e2d29e

Aliases

arxiv: 1812.00299 · arxiv_version: 1812.00299v2 · doi: 10.48550/arxiv.1812.00299 · pith_short_12: KUMR542SXHTC · pith_short_16: KUMR542SXHTCHAKT · pith_short_8: KUMR542S

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/KUMR542SXHTCHAKTU4DEZYGZSX \
  | 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: 55191ef352b9e6238153a7064ce0d995d9d865d963f4d3c2d8432e7b43e2d29e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4cf514caea4bcc9a50941357d71493e7bbb48300bbe0dabadd8ec05fa5c0a43",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-12-02T01:57:36Z",
    "title_canon_sha256": "6c2949450b755c8aeaaa77bba68353e2de38014a302747e59ca8ff41f719a235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00299",
    "kind": "arxiv",
    "version": 2
  }
}