Pith Number

pith:5IQZNPMA

pith:2016:5IQZNPMAM3GJPQFUPUAOYADIJG

not attested not anchored not stored refs pending

Centralized coded caching schemes: A hypergraph theoretical approach

Chong Shangguan, Gennian Ge, Yiwei Zhang

arxiv:1608.03989 v1 · 2016-08-13 · 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{5IQZNPMAM3GJPQFUPUAOYADIJG}

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	2026-05-18T01:09:04.490227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2196bd8066cc97c0b47d00ec006849932dc2a53f9c6b7eff74e36d539cddc1

Aliases

arxiv: 1608.03989 · arxiv_version: 1608.03989v1 · doi: 10.48550/arxiv.1608.03989 · pith_short_12: 5IQZNPMAM3GJ · pith_short_16: 5IQZNPMAM3GJPQFU · pith_short_8: 5IQZNPMA

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/5IQZNPMAM3GJPQFUPUAOYADIJG \
  | 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: ea2196bd8066cc97c0b47d00ec006849932dc2a53f9c6b7eff74e36d539cddc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7505adf0c5a8c83e3c55c93eeca919c9b1dfc5674eb8291436e717954ca204d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-08-13T14:43:58Z",
    "title_canon_sha256": "e1442d6d73ca2a3ccd70f8d4426087f5d5f23260ab151c80d14bd3466dc3fbbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03989",
    "kind": "arxiv",
    "version": 1
  }
}