Pith Number

pith:5M77XFJJ

pith:2018:5M77XFJJEYRRTJLMVELGQEKPUR

not attested not anchored not stored refs pending

The Volume of Two-Qubit States by Information Geometry

Domenico Felice, Milajiguli Rexiti, Stefano Mancini

arxiv:1802.08835 v1 · 2018-02-24 · 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{5M77XFJJEYRRTJLMVELGQEKPUR}

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	2026-05-17T23:53:44.332284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb3ffb9529262319a56ca91668114fa448366db998311e40073d1f88b0af05d9

Aliases

arxiv: 1802.08835 · arxiv_version: 1802.08835v1 · doi: 10.48550/arxiv.1802.08835 · pith_short_12: 5M77XFJJEYRR · pith_short_16: 5M77XFJJEYRRTJLM · pith_short_8: 5M77XFJJ

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/5M77XFJJEYRRTJLMVELGQEKPUR \
  | 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: eb3ffb9529262319a56ca91668114fa448366db998311e40073d1f88b0af05d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a23bec05585498be84b7a5f52ee1a3eaff630c03419408160572771055d6d8c",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-02-24T10:39:15Z",
    "title_canon_sha256": "e332b99bd807659961eb58c2c4afb32eae1e1510bda7b323fc363604290af322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08835",
    "kind": "arxiv",
    "version": 1
  }
}