Pith Number

pith:M7FHFN3P

pith:2005:M7FHFN3PSPI7JEG7WFVKAYSUFR

not attested not anchored not stored refs pending

Learning by message-passing in networks of discrete synapses

Alfredo Braunstein, Riccardo Zecchina

arxiv:cond-mat/0511159 v2 · 2005-11-07 · cond-mat.dis-nn · cs.LG · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7FHFN3PSPI7JEG7WFVKAYSUFR}

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	2026-07-04T16:54:50.489180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ca72b76f93d1f490dfb16aa062542c5f5015f11f9e9e738853c46975b1e2fa

Aliases

arxiv: cond-mat/0511159 · arxiv_version: cond-mat/0511159v2 · doi: 10.48550/arxiv.cond-mat/0511159 · pith_short_12: M7FHFN3PSPI7 · pith_short_16: M7FHFN3PSPI7JEG7 · pith_short_8: M7FHFN3P

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/M7FHFN3PSPI7JEG7WFVKAYSUFR \
  | 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: 67ca72b76f93d1f490dfb16aa062542c5f5015f11f9e9e738853c46975b1e2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0630504b70d85a863e5294c810589df5b4d0aceb5cc88585e2e9d3bc8861e0",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2005-11-07T13:48:01Z",
    "title_canon_sha256": "b72b318b3565f11619a740b784310fc514b0f6a112243ed211ce7c4c693851ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0511159",
    "kind": "arxiv",
    "version": 2
  }
}