Pith Number

pith:BFZTJY2X

pith:2017:BFZTJY2XDEO3GW6WHHEK52643S

not attested not anchored not stored refs pending

Self-approaching paths in simple polygons

Irina Kostitsyna, Prosenjit Bose, Stefan Langerman

arxiv:1703.06107 v1 · 2017-03-17 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFZTJY2XDEO3GW6WHHEK52643S}

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	2026-05-18T00:48:29.479555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097334e357191db35bd639c8aeebdcdc8f7fca267c1c93b4ae9a6155bcd25f18

Aliases

arxiv: 1703.06107 · arxiv_version: 1703.06107v1 · doi: 10.48550/arxiv.1703.06107 · pith_short_12: BFZTJY2XDEO3 · pith_short_16: BFZTJY2XDEO3GW6W · pith_short_8: BFZTJY2X

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/BFZTJY2XDEO3GW6WHHEK52643S \
  | 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: 097334e357191db35bd639c8aeebdcdc8f7fca267c1c93b4ae9a6155bcd25f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff3e6aeb02a71b6b47381d88f537345bfa42acd9c7a02cb16d0ca2ec706c2873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-03-17T17:13:58Z",
    "title_canon_sha256": "04245197eae2b9cb9b91cac43d7935009ffcc4f050e078cc0c21fa659ab8d28c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06107",
    "kind": "arxiv",
    "version": 1
  }
}