Pith Number

pith:4BMD2OUV

pith:2022:4BMD2OUVHWZPBZN4ZJBWXXAZVG

not attested not anchored not stored refs pending

Design of Coded Caching Schemes with Linear Subpacketizations Based on Injective Arc Coloring of Regular Digraphs

Congduan Li, Li Chen, Minquan Cheng, Xianzhang Wu, Zifan Shi

arxiv:2207.09690 v1 · 2022-07-20 · 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{4BMD2OUVHWZPBZN4ZJBWXXAZVG}

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	2026-07-05T04:42:00.736000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0583d3a953db2f0e5bcca436bdc19a9be90efad3be56e12bca4457a6fbd000e

Aliases

arxiv: 2207.09690 · arxiv_version: 2207.09690v1 · doi: 10.48550/arxiv.2207.09690 · pith_short_12: 4BMD2OUVHWZP · pith_short_16: 4BMD2OUVHWZPBZN4 · pith_short_8: 4BMD2OUV

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/4BMD2OUVHWZPBZN4ZJBWXXAZVG \
  | 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: e0583d3a953db2f0e5bcca436bdc19a9be90efad3be56e12bca4457a6fbd000e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2704955e8b965bf8a004d2b88c7d301f7b2c84f6e65d148a8034175766b54719",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-07-20T06:43:50Z",
    "title_canon_sha256": "cc23bbb9d773500fc73fe8257ad1f04acee63fe4003569dc1c78902572ecde71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.09690",
    "kind": "arxiv",
    "version": 1
  }
}