Pith Number

pith:IJLIHICL

pith:2017:IJLIHICLBZSGC52MWPZRK4VMVZ

not attested not anchored not stored refs pending

The grasshopper problem

Adrian Kent, Olga Goulko

arxiv:1705.07621 v3 · 2017-05-22 · cond-mat.stat-mech · math-ph · math.CO · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJLIHICLBZSGC52MWPZRK4VMVZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

The Grasshopper Problem on the Sphere

Receipt and verification

First computed	2026-05-18T00:29:51.619493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425683a04b0e6461774cb3f31572acae5e18b8fc7d587a6117a3ff57a2a87f88

Aliases

arxiv: 1705.07621 · arxiv_version: 1705.07621v3 · doi: 10.48550/arxiv.1705.07621 · pith_short_12: IJLIHICLBZSG · pith_short_16: IJLIHICLBZSGC52M · pith_short_8: IJLIHICL

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/IJLIHICLBZSGC52MWPZRK4VMVZ \
  | 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: 425683a04b0e6461774cb3f31572acae5e18b8fc7d587a6117a3ff57a2a87f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b8a705c2088812d895a223e474c67297647956621ebf1d1ee26ac560d14a28",
    "cross_cats_sorted": [
      "math-ph",
      "math.CO",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2017-05-22T09:15:19Z",
    "title_canon_sha256": "9bb57226fe9ed09791f47d6eff424057e9d64531a9bfb3da3b221aaf4df0efb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07621",
    "kind": "arxiv",
    "version": 3
  }
}