Pith Number

pith:4GXYC7OA

pith:2016:4GXYC7OAZ2E5R7B2B5KQIEA7W7

not attested not anchored not stored refs pending

Aspects of geodesical motion with Fisher-Rao metric: classical and quantum

Domenico Felice, Fabio Di Cosmo, Florio M. Ciaglia, Giuseppe Marmo, Juan Manuel P\'erez-Pardo, Stefano Mancini

arxiv:1608.06105 v2 · 2016-08-22 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GXYC7OAZ2E5R7B2B5KQIEA7W7}

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	2026-05-18T00:17:55.220219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1af817dc0ce89d8fc3a0f5504101fb7e2566a98542833e21805ec29d6d7c296

Aliases

arxiv: 1608.06105 · arxiv_version: 1608.06105v2 · doi: 10.48550/arxiv.1608.06105 · pith_short_12: 4GXYC7OAZ2E5 · pith_short_16: 4GXYC7OAZ2E5R7B2 · pith_short_8: 4GXYC7OA

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/4GXYC7OAZ2E5R7B2B5KQIEA7W7 \
  | 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: e1af817dc0ce89d8fc3a0f5504101fb7e2566a98542833e21805ec29d6d7c296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb71c494051a75770a4a3fff989853a042c68110c16ab37eb5c6f33733be996",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-08-22T09:57:59Z",
    "title_canon_sha256": "5d86333764e3c82580daa73ac7ada21c034ebaf1b4e3908113fdce404e9bce2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06105",
    "kind": "arxiv",
    "version": 2
  }
}