Pith Number

pith:YFND47RH

pith:2024:YFND47RH55Z7MMAI3M45D544FD

not attested not anchored not stored refs pending

Complexity of 2D Snake Cube Puzzles

Alex Dang, Erik D. Demaine, Kaylee Ji, MIT Hardness Group, Nithid Anchaleenukoon, Pitchayut Saengrungkongka

arxiv:2407.10323 v1 · 2024-07-14 · cs.CC · 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{YFND47RH55Z7MMAI3M45D544FD}

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	2026-07-05T08:43:42.586736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c15a3e7e27ef73f63008db39d1f79c28d88a946a8fc635bf766959c7e75a3fb2

Aliases

arxiv: 2407.10323 · arxiv_version: 2407.10323v1 · doi: 10.48550/arxiv.2407.10323 · pith_short_12: YFND47RH55Z7 · pith_short_16: YFND47RH55Z7MMAI · pith_short_8: YFND47RH

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/YFND47RH55Z7MMAI3M45D544FD \
  | 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: c15a3e7e27ef73f63008db39d1f79c28d88a946a8fc635bf766959c7e75a3fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10b52c19aa0ee2521b8839f3079f1cb2d7be9fcac6f16d96cfe2b87631381513",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2024-07-14T20:31:03Z",
    "title_canon_sha256": "e8be5d97b135efc4c6dab95b39d8808c2c4b3a1323fcccd96e3d02b067c42f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.10323",
    "kind": "arxiv",
    "version": 1
  }
}