Pith Number

pith:DY4WNS5J

pith:2026:DY4WNS5JOGMLBBGKAYLJRINNH2

not attested not anchored not stored refs pending

Pointwise mutual information bounded by stochastic Fisher information

Pedro B. Melo

arxiv:2603.12573 v2 · 2026-03-13 · quant-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY4WNS5JOGMLBBGKAYLJRINNH2}

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	2026-05-22T01:03:18.731586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3966cba97198b084ca061698a1ad3e8af9aa370917f44f1d1d0eca92e267a0

Aliases

arxiv: 2603.12573 · arxiv_version: 2603.12573v2 · doi: 10.48550/arxiv.2603.12573 · pith_short_12: DY4WNS5JOGML · pith_short_16: DY4WNS5JOGMLBBGK · pith_short_8: DY4WNS5J

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/DY4WNS5JOGMLBBGKAYLJRINNH2 \
  | 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: 1e3966cba97198b084ca061698a1ad3e8af9aa370917f44f1d1d0eca92e267a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3452e70a0bb64e194f45513fcaef92fcfc9eda833c53524c4f61f723a7b96dad",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-13T02:09:59Z",
    "title_canon_sha256": "343ef3f3841a806cb088b67371eaa96d3e41d055c78e90e41d617b1fe9c8a9b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.12573",
    "kind": "arxiv",
    "version": 2
  }
}