Pith Number

pith:4MAENYMZ

pith:2022:4MAENYMZFRJCMBBWDDQGWCBPGZ

not attested not anchored not stored refs pending

Bayesian information engine that optimally exploits noisy measurements

David A. Sivak, Jannik Ehrich, John Bechhoefer, Joseph N. E. Lucero, Tushar K. Saha

arxiv:2204.07310 v1 · 2022-04-15 · 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{4MAENYMZFRJCMBBWDDQGWCBPGZ}

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	2026-07-05T05:59:20.300533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30046e1992c5226043618e06b082f3670f34d44f6d0b4d870dce7319fcba144

Aliases

arxiv: 2204.07310 · arxiv_version: 2204.07310v1 · doi: 10.48550/arxiv.2204.07310 · pith_short_12: 4MAENYMZFRJC · pith_short_16: 4MAENYMZFRJCMBBW · pith_short_8: 4MAENYMZ

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/4MAENYMZFRJCMBBWDDQGWCBPGZ \
  | 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: e30046e1992c5226043618e06b082f3670f34d44f6d0b4d870dce7319fcba144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fb11410623e8a5238e49f962672a7fe9b9a98982aa1f7bdd7d1a4e0bf57896",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2022-04-15T03:23:34Z",
    "title_canon_sha256": "85667743041c4a35d4fa586c6ac01a2072bb2168bb8fb9d3761d90b319422fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.07310",
    "kind": "arxiv",
    "version": 1
  }
}