Pith Number

pith:GQQEXPUK

pith:2015:GQQEXPUK6V6AADPHIVF3XA373T

not attested not anchored not stored refs pending

Learning Maximum Entropy Models from finite size datasets: a fast Data-Driven algorithm allows sampling from the posterior distribution

Ulisse Ferrari

arxiv:1507.04254 v2 · 2015-07-15 · cond-mat.dis-nn · cond-mat.stat-mech · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQQEXPUK6V6AADPHIVF3XA373T}

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	2026-05-18T01:04:22.668662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34204bbe8af57c000de7454bbb837fdcd4830188397bf0c20d155ca2812f5916

Aliases

arxiv: 1507.04254 · arxiv_version: 1507.04254v2 · doi: 10.48550/arxiv.1507.04254 · pith_short_12: GQQEXPUK6V6A · pith_short_16: GQQEXPUK6V6AADPH · pith_short_8: GQQEXPUK

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/GQQEXPUK6V6AADPHIVF3XA373T \
  | 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: 34204bbe8af57c000de7454bbb837fdcd4830188397bf0c20d155ca2812f5916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8548d5841fc96a9ea587df507f49289c9b19eb904fda081ecbc555c4b321fe7f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2015-07-15T15:19:24Z",
    "title_canon_sha256": "5e0295bcfe12ed72eb7c6d0af76fe8c8f60777763be3abb235a55dbfbad11ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04254",
    "kind": "arxiv",
    "version": 2
  }
}