Pith Number

pith:HUNQKKZI

pith:2016:HUNQKKZIN5TKRY53MDKWTWVRNA

not attested not anchored not stored refs pending

Color Spanning Annulus: Square, Rectangle and Equilateral Triangle

Ankush Acharyya, Sasanka Roy, Subhas C. Nandy

arxiv:1609.04148 v1 · 2016-09-14 · 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{HUNQKKZIN5TKRY53MDKWTWVRNA}

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	2026-05-18T01:04:38.861213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1b052b286f66a8e3bb60d569dab168105c0850cfaa5c31174eb864f9161bc1

Aliases

arxiv: 1609.04148 · arxiv_version: 1609.04148v1 · doi: 10.48550/arxiv.1609.04148 · pith_short_12: HUNQKKZIN5TK · pith_short_16: HUNQKKZIN5TKRY53 · pith_short_8: HUNQKKZI

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/HUNQKKZIN5TKRY53MDKWTWVRNA \
  | 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: 3d1b052b286f66a8e3bb60d569dab168105c0850cfaa5c31174eb864f9161bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9c2f70cdae0a6dd11fda0a56d5ca2dfc4c41b2c13ec8f7d7050bbc3610637e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-09-14T07:06:25Z",
    "title_canon_sha256": "755c18acd07b9b4dad34fd487d696f32392d9309835fa0cfee1df5e84690a5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04148",
    "kind": "arxiv",
    "version": 1
  }
}