Pith Number

pith:3DZWVXOO

pith:2013:3DZWVXOOAYOF2OTCEASLGNYIUD

not attested not anchored not stored refs pending

An Algorithm for Computing Constrained Reflection Paths in Simple Polygon

Arijit Bishnu, Partha Pratim Goswami, Subir Kumar Ghosh, Sudebkumar Prasant Pal, Swami Sarvattomananda

arxiv:1304.4320 v2 · 2013-04-16 · 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{3DZWVXOOAYOF2OTCEASLGNYIUD}

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	2026-05-18T02:52:49.612537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8f36addce061c5d3a622024b33708a0d1673d7b05c17d826dc8565b5297c0c8

Aliases

arxiv: 1304.4320 · arxiv_version: 1304.4320v2 · doi: 10.48550/arxiv.1304.4320 · pith_short_12: 3DZWVXOOAYOF · pith_short_16: 3DZWVXOOAYOF2OTC · pith_short_8: 3DZWVXOO

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/3DZWVXOOAYOF2OTCEASLGNYIUD \
  | 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: d8f36addce061c5d3a622024b33708a0d1673d7b05c17d826dc8565b5297c0c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "672394d12d67ad2b559ad7349c619acfcd56f43a39c80df5fa05951429bf8383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-04-16T03:31:05Z",
    "title_canon_sha256": "c34465b2ef09a8c92587bd3648416817def8d6a5ac78dd97107d89f0bdacfa26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4320",
    "kind": "arxiv",
    "version": 2
  }
}