Pith Number

pith:7DBNVETL

pith:2018:7DBNVETLYCCLWZ3WQSRMT2TX4H

not attested not anchored not stored refs pending

Generic distance-squared mappings on plane curves

Shunsuke Ichiki

arxiv:1801.01292 v1 · 2018-01-04 · 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{7DBNVETLYCCLWZ3WQSRMT2TX4H}

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	2026-05-18T00:26:42.534269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c2da926bc084bb677684a2c9ea77e1e60e5dd787db4fafa094c278c07e64d6

Aliases

arxiv: 1801.01292 · arxiv_version: 1801.01292v1 · doi: 10.48550/arxiv.1801.01292 · pith_short_12: 7DBNVETLYCCL · pith_short_16: 7DBNVETLYCCLWZ3W · pith_short_8: 7DBNVETL

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/7DBNVETLYCCLWZ3WQSRMT2TX4H \
  | 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: f8c2da926bc084bb677684a2c9ea77e1e60e5dd787db4fafa094c278c07e64d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62f849cf4a0365302e39aba5564e357b007bf3a1df0497b33eee0ef4837c1f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-04T10:04:19Z",
    "title_canon_sha256": "63f96397f50af03c9dd65fd5560360aaf1291697ccf7df254c17decb26ea26c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01292",
    "kind": "arxiv",
    "version": 1
  }
}