Pith Number

pith:XLX4VA6X

pith:2013:XLX4VA6XPFXXA7OLFJB2SCV5QL

not attested not anchored not stored refs pending

Unfolding Orthogrids with Constant Refinement

Erik Demaine, Mirela Damian, Robin Flatland

arxiv:1310.4561 v1 · 2013-10-17 · 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{XLX4VA6XPFXXA7OLFJB2SCV5QL}

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	2026-05-18T03:10:13.757942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baefca83d7796f707dcb2a43a90abd82dfe8acc72461c79809510a9d18e07093

Aliases

arxiv: 1310.4561 · arxiv_version: 1310.4561v1 · doi: 10.48550/arxiv.1310.4561 · pith_short_12: XLX4VA6XPFXX · pith_short_16: XLX4VA6XPFXXA7OL · pith_short_8: XLX4VA6X

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/XLX4VA6XPFXXA7OLFJB2SCV5QL \
  | 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: baefca83d7796f707dcb2a43a90abd82dfe8acc72461c79809510a9d18e07093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f27792e9240f052d84b9545cef99f7188db382cc4a76e3ae14e430e932c940",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-10-17T02:01:57Z",
    "title_canon_sha256": "633704af2ba923423ffbd7de54648ab0cd4289f78fcd91544e4fc70c757d1aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4561",
    "kind": "arxiv",
    "version": 1
  }
}