Pith Number

pith:PQY7ASN7

pith:2017:PQY7ASN72UPFNH2S6U6OKAU5I2

not attested not anchored not stored refs pending

A Novel Recursive Construction for Coded Caching Schemes

Jing Jiang, Minquan Cheng, Youzhi Yao

arxiv:1712.09090 v1 · 2017-12-25 · 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{PQY7ASN72UPFNH2S6U6OKAU5I2}

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	2026-05-18T00:27:14.439427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c31f049bfd51e569f52f53ce5029d4693029863011a5c2e1c96dc9b3065a78c

Aliases

arxiv: 1712.09090 · arxiv_version: 1712.09090v1 · doi: 10.48550/arxiv.1712.09090 · pith_short_12: PQY7ASN72UPF · pith_short_16: PQY7ASN72UPFNH2S · pith_short_8: PQY7ASN7

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/PQY7ASN72UPFNH2S6U6OKAU5I2 \
  | 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: 7c31f049bfd51e569f52f53ce5029d4693029863011a5c2e1c96dc9b3065a78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a6ba61ca7871e65c27623e12f5b936ce6c44e8afc7ab8f60d13f48d33fdd6ef",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-25T15:29:32Z",
    "title_canon_sha256": "55fbaea846af3f485d8d6b3a344772e6061ba91319a77a2753c2f7a4c1ca3208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09090",
    "kind": "arxiv",
    "version": 1
  }
}