Pith Number

pith:EEYUBZJP

pith:2019:EEYUBZJPAYP3QTALRHNMIG3RAN

not attested not anchored not stored refs pending

Coded Caching via Projective Geometry: A new low subpacketization scheme

Bhavana M, Hari Hara Suthan Chittoor, Prasad Krishnan

arxiv:1901.07823 v2 · 2019-01-23 · 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{EEYUBZJPAYP3QTALRHNMIG3RAN}

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	2026-05-17T23:52:51.038451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213140e52f061fb84c0b89dac41b710348ce9e922d1742f33f905a201d91e151

Aliases

arxiv: 1901.07823 · arxiv_version: 1901.07823v2 · doi: 10.48550/arxiv.1901.07823 · pith_short_12: EEYUBZJPAYP3 · pith_short_16: EEYUBZJPAYP3QTAL · pith_short_8: EEYUBZJP

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/EEYUBZJPAYP3QTALRHNMIG3RAN \
  | 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: 213140e52f061fb84c0b89dac41b710348ce9e922d1742f33f905a201d91e151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ac318b4dfa7b6af231aab7eb40f5de1710e4e27262ab96d654b2f8a98656bd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-23T11:20:37Z",
    "title_canon_sha256": "74dfdee8de36082781255fcc87e3ba46c2aef085f24cbb736e7f09a8a833cc0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07823",
    "kind": "arxiv",
    "version": 2
  }
}