Pith Number

pith:TE7N4TKL

pith:2013:TE7N4TKLTICU5A4LDPK73353ZT

not attested not anchored not stored refs pending

On Locally Decodable Source Coding

Ali Makhdoumi, Muriel Medard, Shao-Lun Huang, Yury Polyanskiy

arxiv:1308.5239 v2 · 2013-08-23 · 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{TE7N4TKLTICU5A4LDPK73353ZT}

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	2026-05-18T03:14:51.616427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

993ede4d4b9a054e838b1bd5fdefbbccd0050f2231e069061d28442776eaef55

Aliases

arxiv: 1308.5239 · arxiv_version: 1308.5239v2 · doi: 10.48550/arxiv.1308.5239 · pith_short_12: TE7N4TKLTICU · pith_short_16: TE7N4TKLTICU5A4L · pith_short_8: TE7N4TKL

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/TE7N4TKLTICU5A4LDPK73353ZT \
  | 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: 993ede4d4b9a054e838b1bd5fdefbbccd0050f2231e069061d28442776eaef55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a78365424f0bddd9efa51d36abadde8964dbc384f61cc3bb434375046c65f3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-23T20:43:20Z",
    "title_canon_sha256": "c31f5a4cd2d0f288c2260976fb843955fced1e926c5557d30ff8c3cb57d192be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5239",
    "kind": "arxiv",
    "version": 2
  }
}