Pith Number

pith:HATDQIG3

pith:2018:HATDQIG3EH4IPBWNBRTPFOYWFD

not attested not anchored not stored refs pending

Plastic number and possible optimal solutions for an Euclidean 2-matching in one dimension

Andrea Di Gioacchino, Enrico M. Malatesta, Sergio Caracciolo

arxiv:1805.07178 v2 · 2018-05-18 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HATDQIG3EH4IPBWNBRTPFOYWFD}

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	2026-05-18T00:07:17.539789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38263820db21f88786cd0c66f2bb1628ca5c66868ade4b810228be61324a86d5

Aliases

arxiv: 1805.07178 · arxiv_version: 1805.07178v2 · doi: 10.48550/arxiv.1805.07178 · pith_short_12: HATDQIG3EH4I · pith_short_16: HATDQIG3EH4IPBWN · pith_short_8: HATDQIG3

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/HATDQIG3EH4IPBWNBRTPFOYWFD \
  | 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: 38263820db21f88786cd0c66f2bb1628ca5c66868ade4b810228be61324a86d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad49a9131785e960878afc1f50eaacd779425c89214bffa298550fbfe4773c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2018-05-18T12:45:47Z",
    "title_canon_sha256": "4d7e91918c14ca084c191b640fe93b11083a2efabee89dcf118086f752f0295a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07178",
    "kind": "arxiv",
    "version": 2
  }
}