Pith Number

pith:4QVCBOUU

pith:2014:4QVCBOUU4M22GSYHWHAVMHY6A6

not attested not anchored not stored refs pending

Fixed point indices of central configurations

Davide L. Ferrario

arxiv:1412.5817 v2 · 2014-12-18 · math.AT · 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{4QVCBOUU4M22GSYHWHAVMHY6A6}

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	2026-05-18T01:41:58.729349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42a20ba94e335a34b07b1c1561f1e079df67d29f2c1993d401e01cb6177fed1

Aliases

arxiv: 1412.5817 · arxiv_version: 1412.5817v2 · doi: 10.48550/arxiv.1412.5817 · pith_short_12: 4QVCBOUU4M22 · pith_short_16: 4QVCBOUU4M22GSYH · pith_short_8: 4QVCBOUU

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/4QVCBOUU4M22GSYHWHAVMHY6A6 \
  | 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: e42a20ba94e335a34b07b1c1561f1e079df67d29f2c1993d401e01cb6177fed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093b4051b450acf73661d4aa3231fbee4ec31635d67d83d1cf5dee64b67ba8f2",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-12-18T11:35:53Z",
    "title_canon_sha256": "defeda0f68788ffc3c94b00433a2661b930535665bed42f3ce23e9065609bc48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5817",
    "kind": "arxiv",
    "version": 2
  }
}