Pith Number

pith:5EONDWZG

pith:2019:5EONDWZGLPIK2UEC3IDXHCTND5

not attested not anchored not stored refs pending

Generalized Alignment Chain: Improved Converse Results for Index Coding

Parastoo Sadeghi, Yucheng Liu

arxiv:1901.09183 v4 · 2019-01-26 · 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{5EONDWZGLPIK2UEC3IDXHCTND5}

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	2026-05-17T23:44:47.646841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e91cd1db265bd0ad5082da07738a6d1f74dde5bc9fb6ab7e873bc42f6cc46bb0

Aliases

arxiv: 1901.09183 · arxiv_version: 1901.09183v4 · doi: 10.48550/arxiv.1901.09183 · pith_short_12: 5EONDWZGLPIK · pith_short_16: 5EONDWZGLPIK2UEC · pith_short_8: 5EONDWZG

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/5EONDWZGLPIK2UEC3IDXHCTND5 \
  | 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: e91cd1db265bd0ad5082da07738a6d1f74dde5bc9fb6ab7e873bc42f6cc46bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6ac6b8cee00577a955ac33dd64d127d23e2a65999c64ec9503f8f54cd27a9e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-26T09:28:19Z",
    "title_canon_sha256": "c1da145b0c6fb35f9adbe32838e0e1cbda5e9c229235416889b01946dd67e7ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09183",
    "kind": "arxiv",
    "version": 4
  }
}