Pith Number

pith:DXUX3BAH

pith:2018:DXUX3BAH4GKLD7WYA72XMQLBI3

not attested not anchored not stored refs pending

LDPC Codes with Local and Global Decoding

Eshed Ram, Yuval Cassuto

arxiv:1801.03951 v2 · 2018-01-11 · 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{DXUX3BAH4GKLD7WYA72XMQLBI3}

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	2026-05-17T23:46:36.391468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de97d8407e194b1fed807f576416146da7d062f54facbec1247753168ef293c

Aliases

arxiv: 1801.03951 · arxiv_version: 1801.03951v2 · doi: 10.48550/arxiv.1801.03951 · pith_short_12: DXUX3BAH4GKL · pith_short_16: DXUX3BAH4GKLD7WY · pith_short_8: DXUX3BAH

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/DXUX3BAH4GKLD7WYA72XMQLBI3 \
  | 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: 1de97d8407e194b1fed807f576416146da7d062f54facbec1247753168ef293c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cc24ed305969e5a068ea27e05db4df12f0ca4fb87679ed65916e0dcb18e83c9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-11T19:00:56Z",
    "title_canon_sha256": "923b57a90677be8f9cafd2d65ac36e5e27ad02a57251d133d6ee371826192741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03951",
    "kind": "arxiv",
    "version": 2
  }
}