Pith Number

pith:GELLK7IP

pith:2013:GELLK7IPERKWDCHIIL6JI5MJ6I

not attested not anchored not stored refs pending

Constrained Source Coding with Side Information

Amos Lapidoth, Andreas Mal\"ar, Mich\`ele Wigger

arxiv:1301.5109 v1 · 2013-01-22 · 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{GELLK7IPERKWDCHIIL6JI5MJ6I}

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	2026-05-18T00:59:04.510392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3116b57d0f24556188e842fc947589f217020b5adc83793120e3df05d509c01c

Aliases

arxiv: 1301.5109 · arxiv_version: 1301.5109v1 · doi: 10.48550/arxiv.1301.5109 · pith_short_12: GELLK7IPERKW · pith_short_16: GELLK7IPERKWDCHI · pith_short_8: GELLK7IP

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/GELLK7IPERKWDCHIIL6JI5MJ6I \
  | 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: 3116b57d0f24556188e842fc947589f217020b5adc83793120e3df05d509c01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a7b0b2184a756d1f7b44295f3c98a2ac0b342c66f96efeee35a1f4c9672dcf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-22T08:36:00Z",
    "title_canon_sha256": "2d961148d28d5880f52689c8ccfd93f2d2bb32b7226342277f4553119bc5b0ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5109",
    "kind": "arxiv",
    "version": 1
  }
}