Pith Number

pith:BG3KI7GU

pith:2018:BG3KI7GUQQYG4EY7DCD76UJUNF

not attested not anchored not stored refs pending

Conformal theory of curves with tractors

Josef \v{S}ilhan, Vojt\v{e}ch \v{Z}\'adn\'ik

arxiv:1805.00422 v1 · 2018-05-01 · 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{BG3KI7GUQQYG4EY7DCD76UJUNF}

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	2026-05-18T00:17:02.526950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09b6a47cd484306e131f1887ff5134695f8cf6cc2e0dc3366666f5c2b5f14386

Aliases

arxiv: 1805.00422 · arxiv_version: 1805.00422v1 · doi: 10.48550/arxiv.1805.00422 · pith_short_12: BG3KI7GUQQYG · pith_short_16: BG3KI7GUQQYG4EY7 · pith_short_8: BG3KI7GU

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/BG3KI7GUQQYG4EY7DCD76UJUNF \
  | 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: 09b6a47cd484306e131f1887ff5134695f8cf6cc2e0dc3366666f5c2b5f14386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1262d3136fedb4247b93b990290cd6ff09b13c2b5684eed21e52dd98243f392",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-01T16:38:08Z",
    "title_canon_sha256": "d6c5dbd877640b09b193a8b10d1c7544c244fc1c0618c8103cfd8cab04a34c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00422",
    "kind": "arxiv",
    "version": 1
  }
}