Pith Number

pith:Q6TCAAYW

pith:2015:Q6TCAAYWAVDHL6ZHMV654INSUG

not attested not anchored not stored refs pending

A new solvable many-body problem of goldfish type

Francesco Calogero, Oksana Bihun

arxiv:1507.03959 v1 · 2015-07-14 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6TCAAYWAVDHL6ZHMV654INSUG}

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	2026-05-18T01:36:52.169267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a6200316054675fb27657dde21b2a199702a4c2741270c3544e1c97589db3d

Aliases

arxiv: 1507.03959 · arxiv_version: 1507.03959v1 · doi: 10.48550/arxiv.1507.03959 · pith_short_12: Q6TCAAYWAVDH · pith_short_16: Q6TCAAYWAVDHL6ZH · pith_short_8: Q6TCAAYW

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/Q6TCAAYWAVDHL6ZHMV654INSUG \
  | 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: 87a6200316054675fb27657dde21b2a199702a4c2741270c3544e1c97589db3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b161d65127c8f370f7a0b1ea98f73b798f6a26de8815260fbb7b7bd9ae0b2429",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-07-14T18:36:05Z",
    "title_canon_sha256": "9b7b94f464a09a91261ddc04c3a2c898e46922dd5d3c29a243415974b7c0c249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03959",
    "kind": "arxiv",
    "version": 1
  }
}