Pith Number

pith:IUYCQWL2

pith:2007:IUYCQWL2CYR6DVLTGRPK5CLAFP

not attested not anchored not stored refs pending

Encoding for the Blackwell Channel with Reinforced Belief Propagation

A. Braunstein, F. Kayhan, G. Montorsi, R. Zecchina

arxiv:0705.0423 v1 · 2007-05-03 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUYCQWL2CYR6DVLTGRPK5CLAFP}

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	2026-05-18T00:58:48.892787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453028597a1623e1d573345eae89602bd0ae3da3e686d1a7038ce6bbee9b9bdc

Aliases

arxiv: 0705.0423 · arxiv_version: 0705.0423v1 · doi: 10.48550/arxiv.0705.0423 · pith_short_12: IUYCQWL2CYR6 · pith_short_16: IUYCQWL2CYR6DVLT · pith_short_8: IUYCQWL2

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/IUYCQWL2CYR6DVLTGRPK5CLAFP \
  | 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: 453028597a1623e1d573345eae89602bd0ae3da3e686d1a7038ce6bbee9b9bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bae3d04c3bb36bc6c9cef484373b1a52fc9ed062c68a47ad944ea8966c4ff26",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-05-03T09:49:15Z",
    "title_canon_sha256": "a89a18410d25a09e626ce57906e25b3ec9513c1100484b7abd346022907b0733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0423",
    "kind": "arxiv",
    "version": 1
  }
}