Pith Number

pith:EKA2IMQR

pith:2017:EKA2IMQRINBPE2OZWWV74WTAGV

not attested not anchored not stored refs pending

The Mutual information of LDGM codes

Jan van den Brand, Nor Jaafari

arxiv:1707.04413 v2 · 2017-07-14 · cs.IT · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKA2IMQRINBPE2OZWWV74WTAGV}

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	2026-05-18T00:39:25.424644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2281a432114342f269d9b5abfe5a60355c8ff3730ca3212aa7fd5a85db890cf1

Aliases

arxiv: 1707.04413 · arxiv_version: 1707.04413v2 · doi: 10.48550/arxiv.1707.04413 · pith_short_12: EKA2IMQRINBP · pith_short_16: EKA2IMQRINBPE2OZ · pith_short_8: EKA2IMQR

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/EKA2IMQRINBPE2OZWWV74WTAGV \
  | 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: 2281a432114342f269d9b5abfe5a60355c8ff3730ca3212aa7fd5a85db890cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0d2882fd4dcd0609c4c4eb1c580e865818be94f8a8a74cc5b023b1586f2933",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-14T08:37:50Z",
    "title_canon_sha256": "e16a04511a8fc1a956bdd3cf27d7262a06f1501f50dcab4456ca218926f14062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04413",
    "kind": "arxiv",
    "version": 2
  }
}