Pith Number

pith:K7VVGFEH

pith:2017:K7VVGFEHNZG53A64JORX26KSM7

not attested not anchored not stored refs pending

Cache-Aided Private Information Retrieval with Partially Known Uncoded Prefetching: Fundamental Limits

Karim Banawan, Sennur Ulukus, Yi-Peng Wei

arxiv:1712.07021 v1 · 2017-12-18 · cs.IT · cs.CR · cs.DC · cs.NI · 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{K7VVGFEHNZG53A64JORX26KSM7}

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	2026-05-18T00:27:37.398521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57eb5314876e4ddd83dc4ba37d795267cc049a42c009131d18529ea00bc03584

Aliases

arxiv: 1712.07021 · arxiv_version: 1712.07021v1 · doi: 10.48550/arxiv.1712.07021 · pith_short_12: K7VVGFEHNZG5 · pith_short_16: K7VVGFEHNZG53A64 · pith_short_8: K7VVGFEH

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/K7VVGFEHNZG53A64JORX26KSM7 \
  | 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: 57eb5314876e4ddd83dc4ba37d795267cc049a42c009131d18529ea00bc03584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9289ae4c218e4a675c37c766f2b7503c76ffe22a3adb1e37d314327ec9f8960b",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-18T18:50:42Z",
    "title_canon_sha256": "37e904a78b6bfda864b20872e1ee5655f3b1b8c797e89a56722a03a7b23e81fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07021",
    "kind": "arxiv",
    "version": 1
  }
}