Pith Number

pith:LFKAG5LS

pith:2018:LFKAG5LSVOGME7CNKN6RRJPITK

not attested not anchored not stored refs pending

Aerobatics of flying saucers

Michael Eastwood, Pawel Nurowski

arxiv:1810.04852 v1 · 2018-10-11 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFKAG5LSVOGME7CNKN6RRJPITK}

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	2026-05-18T00:03:35.686095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5954037572ab8cc27c4d537d18a5e89ab2fcad9bc86250c501f835e9ad55e5a6

Aliases

arxiv: 1810.04852 · arxiv_version: 1810.04852v1 · doi: 10.48550/arxiv.1810.04852 · pith_short_12: LFKAG5LSVOGM · pith_short_16: LFKAG5LSVOGME7CN · pith_short_8: LFKAG5LS

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/LFKAG5LSVOGME7CNKN6RRJPITK \
  | 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: 5954037572ab8cc27c4d537d18a5e89ab2fcad9bc86250c501f835e9ad55e5a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ee1cfb469d3a66f9266c7866c538827d8050eee6618869f1f055005c597b1c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-11T05:56:02Z",
    "title_canon_sha256": "ca7f54ab1b08c70cdc3a04112540bc94173da2a4e805d83bacd0e0950073fc82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04852",
    "kind": "arxiv",
    "version": 1
  }
}