Pith Number

pith:RM6ZND7Q

pith:2010:RM6ZND7QSJM4KO27AJJZBJRXBB

not attested not anchored not stored refs pending

Circle Packing for Origami Design Is Hard

Erik D. Demaine, Robert J. Lang, Sandor P. Fekete

arxiv:1008.1224 v2 · 2010-08-06 · cs.CG · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RM6ZND7QSJM4KO27AJJZBJRXBB}

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	2026-05-18T04:40:44.851722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b3d968ff09259c53b5f025390a637087fd61afb2becc7ab5147e256183ed6c0

Aliases

arxiv: 1008.1224 · arxiv_version: 1008.1224v2 · doi: 10.48550/arxiv.1008.1224 · pith_short_12: RM6ZND7QSJM4 · pith_short_16: RM6ZND7QSJM4KO27 · pith_short_8: RM6ZND7Q

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/RM6ZND7QSJM4KO27AJJZBJRXBB \
  | 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: 8b3d968ff09259c53b5f025390a637087fd61afb2becc7ab5147e256183ed6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0c82f7f0dee8d64ab34f1c983c96d1bf3c5abfeda9af8e98117cb03a5bd8329",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-08-06T16:05:28Z",
    "title_canon_sha256": "a80feba2201e59710ec29cb2dd55e79278e04b89bdb516d01f47cd2db659264f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1224",
    "kind": "arxiv",
    "version": 2
  }
}